I don't think music tastes will change tremendously. After all, girls listen to Tool too! (My ex-girlfriend being one of them
Heck, when I'm mad with the world even I like to put on KMFDM/Die Krupps/Rammstein really really loudly and wake up the neighbours.
But I like just about any music, anything from Mozart to Nine Inch Nails to Jean Michel Jarre to Pet Shop Boys. You name it, I like it
Yeah, so maybe priorities will change, the value you place in certain things may change. Perhaps this will subtly affect your tastes? But I definitely wouldn't expect your Tool albums to suddenly start gethering dust. No worries about that one
Sex on the other hand ... without getting too graphic ... and being single right now ... I can't even remember the last I ... well you get the idea
That part will change.