For me it was a combination of a sexless marriage with my wife and watching porn and getting turned on by the cocks. Was bicurious for years until 10 years ago when I had my first encounter with a man. Fast forward, I am hooked and have 5 buddies I get together with, averages about once a week. One buddy hosts group gatherings, where I’ve had the pleasure of being with as many as 6 guys at the same time. Taking turns sucking multiple guys while multiple guys take turns fucking me is my favorite. I now prefer sex with men more than my wife.