>>105955643Considering how much he's into dolls, I wouldn't be surprised if the last time they had sex together was when she got pregnant. I wouldn't be surprised if the story was something like "They're good friends, but she's completely unattractive to him and he has to get his kicks somewhere."
Also, if the dad had any sense to him, he gave one of them to his son when he turned 13 on the responsibility that the rest of them stay unmolested.