When I was a young teenager, I was jerking it to the old school scrambled porn that we got (this was the early 90's) and my older brother started to come down the stairs. I was completely naked, but I jumped up and tried to turn off the TV as I ran into my room, but I didn't get it turned off. I was in my room dying of embarrassment. When he came down and saw what was on the TV, he joked, "keep it up and you'll go blind." He appeared in the doorway, and said something along the lines of it's completely natural. I was still naked, but had started to subside. Then he did something which took me completely by surprise... He opened his pants and started jerking himself off. I just stared at him as he rubbed it out. I was stunned, but without really thinking about it, I did something that shocked myself. I walked over to him and knelt in front of him. Taking him in my mouth felt better than anything I'd ever felt. It was amazing, the throb of his member as he moaned. I know that I couldn't have been that good at it, but it was so new and so hot it didn't take long before my mouth of filled with warmth. Afterwards, we traded places, and as good as it had felt to suck him, the feeling of his mouth on my dick was overwhelming... It was my first blowjob and I could have passed out when I came it was so much. We didn't really talk about it, but over the next several months, we had numerous other sexual encounters. I don't regret any of it, but he decided that it was wrong and wanted to stop. I came into his room one night, and he just lay there as I sucked him off. He didn't stop me, but he didn't encourage me either. That was the end of our trysts. I am a happily married, bisexual man. My wife knows this and happily participates in bisexual threesomes (she likes girls, too). She knows about my past, but not about me and my brother. I sometimes feel a longing for my brother and feel that our sexual relationship ended too soon.