I recall having one dream when I was having sex with another girl (this is after I started dating Abaya). I'm not sure if I felt guilty in the dream.. maybe I did, but then again I rarely remember my dreams well. What I do remember from that dream though, is that I had sex by entering her through.. her bellybutton. Weird. At it was perfectly normal in the dream. And no, I don't have a bellybutton fetish
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In any case, dreams are just dreams. Nothing 'wrong' or 'right' about them.