Originally Posted by
shh!
Human sexuality is a range, with most people falling more to one side or the other, and some falling somewhere in between. This, to my knowledge, is the most up-to-date ideas about homosexuality. If you are closer to the center than most people, then I guess you can easily choose to make the switch without it feeling too unnatural.
I disagree with Tone that there is no biological basis to human sexuality, although it is certainly possible that one might choose to disregard their sexual preference in favor of what is culturally acceptable.