HER HANG UP: If it ain't man on top, she ain't interested.
PROBLEM FOR YOU: zzzzzzz...
Maybe she's lazy. Maybe she feels silly getting on top and playing rodeo. Maybe she doesn't like her boobs bounding around like two balls of pizza dough. Maybe she has no rhythm.
The article goes on about how men can change this undesired behavior.
Just to let you guys know, those thoughts have crossed my mind in this position, but once the initial thoughts have left and feeling takes over, it's all good.