Revenge for being dumped

At college I started a relationship with Trevor, rich and very self-centered. We became lovers and on graduating he dumped me saying I wasn't marriage material. Fast forward 4 years I was working in the same building as Trevor, different employers. His employer was his family business, I doubt he recognized me until much later. Trevor is the younger son of two the older David four years older than Trevor. Smarter of the two David didn't socialize like Trevor and so was looked on as the more reliable son. I'd some business with David and quickly picked up on the animosity, Trevor had for his older brother. Always being compared to David and his shortcomings highlighted, I was on fairly friendly terms with David. When a family wedding came up, David was going to go alone as he was dating anybody. Knowing how Trevor would make smug remarks about the golden child unable to get a date, I offered to go with David. He was somewhat surprised, but accepted, I made sure I looked gorgeous, buying a new dress and having a makeover. I must admit I looked gorgeous; the expense was worth seeing Trevor's mouth drop open when David walked in with me. We partied hard and become lovers, not planned, not regretted either. We started dating and then married, I quickly got pregnant and had also started working for David's family business. The icing on the cake when I put over Trevor in the business, he had to report to me. I was also much more favored by both his parents and grandparents than Trevor was. But my final revenge was when Trevor said he hadn't ever found any woman as good as me. He was always so self-absorbed he still hadn't two and two together that I was same woman he had dumped, same name same family history, he hadn't taken note of before. The day he said he couldn't find a woman as good as me, David who I'd no secrets from told him but you dated her at college and dumped her. His parents already knew as did his grandparents. Everyone was waiting to see how long it took him, answer twelve years from the first time I met again. Fourteen months later marrying his brother and having two children with his brother. Also, I was again pregnant, he was totally shocked and three years on still hasn't recovered according to his mother. I don't really care I've the better brother as my husband. I got revenge you could say, but I wasn't really after it.