She's becoming insatiable

Going back as far as I can remember, dirty movies has almost always gotten her pussy extremely wet. But whether she admitted it or not, it's the scenes where two or more men are playing with one woman that really get her going.
Just a couple of nights ago we were watching one, and the first couple scenes were just one man and one woman. Sure....., they seemed to get her a little turned on, but when the third scene came on, and she saw that there were five guys and one woman....., she really perked up and even said that "this is really going to get me wet!" Sure enough it did! By the time we were five minutes into the scene, she was dripping wet as she sat in the chair fingering herself. As she sat there watching the girl on the screen sucking two cocks while two other guys were sucking her breasts and another sliding his cock into her pussy, she begged me to eat her pussy!
After I had been licking her clit a short time, she told me she wanted to suck my cock! As she took it all the way into her mouth, she fingered herself almost to orgasm, then she stripped down and layed on the massage table.
After I had been massaging her for quite some time, I reached for the dildo and massage wand.
As I inserted the dildo, I started rubbing the wand over her clit until she took control of the dildo and started sucking me again!
It didn't take long, and she was squirting all over the place! She squirted so much that the sheet she was laying on couldn't absorb all of it, and the carpet below and around the table got wet!
In fact......., she probably came four times!
She was so horny, that she couldn't stop sucking me, and she actually sucked me until I came in her mouth! (Which was only the second time she's ever let me do that!)
Then there was last night.......
After she had taken a late afternoon nap, the two of us were sitting around watching TV and doing odds and ends. When eight o'clock rolled around, I suggested we watch another naughty video, and she readily agreed as she headed back to take a shower. While she was showering, I set up the table and got the video ready to go.
Of course..... the video was just the kind that I know "gets her juices flowing".
When she got done showering, I started the movie as she stood in the kitchen nursing an alcoholic beverage, while watching the video intently. About ten minutes into the video I walked up behind her and raised the back of her nighty so I could rub her ass. Eventually, I slipped a hand between her legs and was not surprised that she was super wet as I slid two fingers into her pussy.
As a side note: Back in the day, she used to get wet like this just from kissing. But then again.... I used to get hard as a rock just from a kiss as well! Needless to say, as we've gotten older, it takes a lot more to get us really going. Its not that we're not sexually turned on by each other; It's just that we're not as easily turned on anymore. ( Kind of like an old car: we need to be warmed up before running smoothly.)
After I had been fondling her for a while, she removed her nighty and layed on the table while continuing to watch the movie. As she lay there I poured oil onto her back and ass, and proceeded to massage her (occasionally sliding my fingers through her ass crack and through the folds of her pussy.). While she continued watching, I slid the massage wand under her clit as I continuing to massage her back. As the intensity of the wand against her clit began to build, she began arching her back as she ground herself against it. It really didn't take long for her to cum! After she had cum, she rolled to her side and took my cock into her mouth, engulfing the entire thing, while I continued rubbing the wand against her pussy until she couldn't catch her breath, as she came multiple times. Then, she got off the table and bent over it, telling me to fuck her pussy!
As I stood behind her, pounding her pussy, the view of her naked bouncing ass with thoughts of her sucking another man as I pounded her, was more than I could take, and I blew my load in a relatively short time!
I'm not sure how many men out there would be willing to let their wives have a regular "boy toy", but the idea of it actually gets me hornier than shit! And based on how wet my wife gets when watching these type of videos, I'd have to say that the idea may seem a bit intriguing to her as well. I can only imagine how turned on she would get if she actually had another bare cock hanging in front of her face, as I pounded my cock into her.
I suppose her apprehension is understandable, considering the two of us have been together for a little over thirty-seven years, and familiarity is a comfortable place to be. However, I am still intrigued by the thought of trying it at least once, to see if it is more stimulating / arousing than watching it on a video.
I'm not saying that we should make a habit of it, but if our first experience is pleasurable enough, then perhaps we could save such encounters for special occasions. Otherwise it would lose its "wow" factor.
I suppose I'm a bit optimistic when it comes to this fantasy though. Given the fact that when I first introduced a dildo to our sexual interludes she seemed highly resistant in the beginning, and that she now uses it on a regular basis, it's obvious that she is capable of changing her mind when it comes to sexual pleasure. I also remember that she used to stop me from massaging her pussy with the wand, until it made her squirt for the first time. Now she wants it all the time! And then there's the massage table;...... After months of me badgering her to order one, she finally did! And once she had gotten several massages from me (I had watched several videos on massage techniques), she admitted that it was one of the best purchases we had made to date!
Over the past couple of years I have been suggesting different things she could do to get me horny, and slowly but surely she has been doing some of them. I love the fact that she's beginning to venture outside her box of comfort!
And as she does, it becomes easier for her each time. I suppose she's becoming more confident with her sexuality, and that's been wonderful to see!
Just this year, I asked her if she would be willing to visit a nudist campground, to see if it's something we would enjoy, and she said she would. I'm really hoping we'll get the chance to visit one this year, but certain circumstances are beginning to make it look like we may not get to.
I can only imagine how wet she's going to get as she sees other men walking around with their cocks swinging freely between their legs.
One thing about her is, she's one of those spontaneous kind of people. She has to "be in the mood" in order for her to do something out of the ordinary (unlike some people who can turn it on and off). Of course there are certain drinks that have a tendency to provoke those spontaneous behaviors! Despite the fact that I gave her a bit of a hard time after drinking several vodka and lemonade's, she nearly flashed everyone at the pool, ran her hand up the leg of my shorts playing with my cock as she told everyone how horny she was, and stripped bare naked on our way home so she could finger herself, I really did enjoy her naughty behavior! (But that was the first time she had ever done anything like that.)
I can only imagine what might happen after a few drinks, and sitting nude in the hot tub with other couples, if her spontaneity were to kick in!
Imagining that multiple cocks would be within arms reach, and the fact that she absolutely loves sucking cock, who knows what might happen?!