you're better off than me, i pretty much never notice shit like that until it dawns on me a week later, which is of course a week too late.
dude she was practically begging you to stick it in her ass right then and there. Geez guys these days have no clue.
lots of people learn stuff that doesn't come natural. you know damn well that you just have to teach yourself rapism if you want to get any.
OR..Or!...Now stay with me here.......she was adjusting her top because you were staring at her breasts and making her uncomfortable.....just a thought...