Interesting this research shows that a STRONG, MORAL FATHER is one key to not becoming a homosexual. Gee, who woulda thought?
Here's links to a couple of websites and on FR article describing how homosexuality develops, some with personal stories:
http://www.drthrockmorton.com/idoexist.asp
http://www.narth.com/docs/pieces.html
How Might Homosexuality Develop?
Putting the Pieces Together
http://www.freerepublic.com/focus/f-news/1420619/posts
Root Causes, Homosexual Consequences