You meet a girl in a bar, have a nice conversation with her. There is mutual attraction that is building up through out the night. So basically you re flirting and making out too. Afterwards you want to take her back to your place and she notifies you that she s a virgin but is willing to have sex with you very much. We ll you get pissed and turn her down since you need to be patient, gentle... and you just wanted to have rough sex? And we ll you be worried if she ll get attached to you or want you stay with her during the nighy to spoon?
No way! That would be a pretty lame reason to turn her down, IF she understood well enough that it was just a hookup, and didn't expect anything more. If she STILL developed attachment, it would be her problem and not mine.
This is just a hypothetical answer, because I personally would never consider hookups and one night stands. As a matter of policy, I don't prefer to have sex with someone if I am not in a relationship with her.