Every time someone mentions sex change surgery, I always think of the book "Myra Breckenridge" and how, when she was being put to sleep before her surgery, she started singing "I'll Be Seeing You In All The Old Familiar Places" to her penis, because they were about to cut it off.
ETA; On a side note, I think guy on guy is really hot and I could have a sex change to be a guy, and be a gay guy, and be perfectly happy I think. I would miss some of the girl things about me though. Dressing up and all that.
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Knowledge is knowing that a tomato is a fruit. Wisdom is not putting it in a fruit salad.