I do slash also. There was one time where I would have said NO a few years ago. I had my hang-ups and I was new to the whole thing. Someone convinced me to try it with a charrie of mine and one of theirs and the beginning was rough but we made this great story out of it and now it's one of my favorite ships.
Slash is a step outside, and since the majority are hetero writers, it is a fascination. I can say that it has opened up my mind a bit, and I don't write it just to write sex scenes. There has to be substance there.