morten -

that is enough to seriously impact YOU. there is lots of debate and differing theories about what affects our sexual identities - but events like you described are more than enough to cause emotional and psychological complications - if not all-out trauma. you sound like you feel the need to explore this further - it is worth the effort to try to understand more clearly. i'd suggest reading some of the reccommended books and articles on the home page and seeing a qualified therappist.
and of couse - chatting with others on the MS forums is often helpful, too.

Lee
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"Tell your heart that the fear of suffering is worse than the suffering itself... And that no heart has ever suffered when it goes in search of its dreams, because every second of the search is a second's encounter with God and with eternity." - Paulo Coelho