Converting my Brother

My mistake, I assumed my brother was gay and decided to convert him to a heterosexual and tried to get a close friend to do it. She refused saying it was impossible to convert gays, left with no choice I decided to do it myself. My brother 2 years younger than me, was skinny looking and nerdish shy type and in my book made him gay. He preferred to read and study than date even boys, I thought as a good sister I'd to do something. But I hadn't taken much interest in my brother's activities as I'm already assumed him to gay, I didn't to see anymore. As I was to find out after he was very active in martial arts and like horse riding and camping. I knew of his camping trips and as it was with other guys assume it was gay related. We lived with our mother 47 widow of 3 years and when she went to visit her sister. I decided to act, first try I got him into bed very easily and that should've made me aware I might be wrong. Second my brother has a large cock the biggest I've seen, and he really gave me a fucking. After a couple more fucks, I finally realized he wasn't gay just quiet, and he was very active fucking our mother. I also had used condoms and one had broken during sex and I'm now 4 months pregnant to my brother. Tests show no problems and after seeing my brother large cock I'd told my close friend and decided to at least see it, but also tried it and she is likewise pregnant to my brother. Fortunately, we are quite well off and my brother is marrying my friend and she shares him with me and my mother. But one good thing came from actions, I found a great lover with a great cock, he was well trained by our mother.