With most bizarre stories there is at least a logical explanation that just gets out of control. I can't see one here. It's so bizarre that it defies any explanation.
I wonder if they still had intercourse? He still had one hole available to work with, and maybe that's why he kept her there. It's the perfect relationship if you think about it really. Guys a freakin genius.
Turn your sarcasm meter up....... (Or just pump her full of antibiotics and have her sponge bath herself)
I can see how easily this could happen. I mean you over order at Taco Bell one day. Maybe one too many meximelts, or a couple burrito supremes. Before you know it, your foot has fallen asleep and its a couple months later. After that it just kinda goes downhill.