Wifestuffer:
My wife used to love crushing me on top.
Then she got so obese she stopped because just getting on all fours exhausts her because of her weight. She doesn't care, she'd rather eat and gain weight than worry about it.
But occasionally she does it. She's so massive it threatens to suffocate me. Her gut drags on the ground as is, so when she gets on top, her belly spills around me and hangs to the ground. She gets short of breath and gives up.
I didn't know it was possible