it's always great when you can get off and go to sleep....not so great when you can't quite get there, and then lay awake for hours before you get off.
She's not 'struggling' to cum. She's edging...and she's good at it. And as you say, women masturbate just as much if not more AND they can cum multiple times...always been jealous!
When I was young, my life was over-flowing like disturb beer. As a young US Marine, in Cali. I met a gal. What a Bombshell i laid next to, she was a student at USC. My barracks weekly at Camp Mateo. She spent a couple night with me. Yes, Top bunk we laid. Marines my roomies didn't mind. She wonderful. I wasn't prepared, so I dropped off the air when I deployed. Good bye girl. For the right reasons. Her name: Shelly.