So, my fiance knows about my fantasies, and we roleplay them a lot on paper and occasionally in bed. (We're nerds, so yeah, we rp with pen and paper because it's easy.) But lately I've been fantasizing other people raping me, usually imaginary strangers. One fantasy that stands out in particular is a younger version of me (like, between 14 and 16 years old) walking home from school, and a group of college age guys abduct me. Nothing like that has ever happened in my life, and I don't know why I thought about it, or why it got me off so quickly. I feel kind of bad for thinking of other people, even if they're not real. I feel like I'm mentally cheating on him, and like I'm weird for fantasizing a stranger doing it. Anyone else in my boat, or been there before?