Ross confronts Chandler about his sister, but decides he's okay with it. Joey's new girlfriend gets a little slaphappy. Ross insults the head of the tenant's association by refusing to donate $100 to the retiring janitor, causing the whole building to hate him. Chandler is worried about people jinxing the relationship with endless talk of babies and weddings. Monica asks for some time after Chandler obsesses too much. Ross throws a party to win his neighbors over, but it's a bust. Rachel kicks Joey's girlfriend after she gets slaphappy with her. Chandler proposes to Monica from a bout of self-pity; she talks him out of it and makes a joke of it.