Greg, Kim, Jimmy and Christine are horrified to see a mother nursing her walking, talking toddler at the park. Greg wonders what's the proper cutoff age for breast-feeding. Kim says about a year, and she couldn't wait to stop nursing after that. But that night, she screams at Greg to get out of the baby's room when he catches her off guard still nursing Sam. Greg thinks she hasn't stopped breast-feeding because she can't sever ties to her son, but Kim confesses she does it so she can have big, milk-filled boobs. Greg convinces her to start weaning Sam now before she's got a walking, talking toddler asking her to breast-feed him at the park, but no matter what he tries, Sam won't take to bottles. When Greg's just about ready to give up, Jimmy tells him how he got Dominic and Logan to wean; he'd dress up like Christine with a bottle shoved under her clothes and pretend to be Mommy. It works like a charm, after which Greg finds out that Jimmy made the whole story up. The next night, Kim c