I don't really feel comfortable doing it around most people, unless it's with a GF who is someone I am really comfortable around and can be open to. If someone brings it up, I may open up about it. Sometimes if I have a question, I may ask it too, but I don't go out of my way to talk about sex related things, and I usually don't feel comfortable when I do talk about these things. Like some of my forum threads in the adult section, asking questions, I don't really feel comfortable talking about it, but I ask anyway. I think the reason is, is because I don't want to creep anybody out by talking about sex and that sort of stuff, because it can creep some people out even if it's normal sex related stuff. There is nothing wrong with a some sex talk though, just has to be around the right people I think.
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Don't you mind people grinnin' in your face