Ritchie - Welcome to the site!! You didn't mention if you were sexually abused as a kid but I suppose from your posting here, you probably were. Your story sounds very familiar for someone introduced to sex at an early age. Once the sexual candle in life is lit...it stays lit. We express that sex (physically not necessarily orientation) in whatever way it leads us. That includes being sexual with girls, boys, etc. (I won't mention Etc. now but it can be almost anything/anyone). To be confused as to who we am sexually is a fairly common symptom in sexual abuse survivors (as many on the site will attest). I understand your question and perhaps your dilemma. Keep posting and asking questions, share feelings because there are many of us with similar stories who are married!!
If you think you can or you can't - you're right!.......anon
It's never too late to have a happy childhood!.....anon
You're very normal for the abnormal situation you've been through..............S. Todd