Phoebe gives a birthing video to Rachel. Chandler, mistaking the tape for porn, watches it and is horrified after watching it with Monica, which kills the mood for Valentine's Day. Ross struggles to tell Mona that Rachel is now living with him. Joey is depressed and in an effort to lighten his mood, Phoebe lends him a dog to cheer him up. However Joey ends up subduing the dog with his depression, and in the end tells Ross about his feelings for Rachel.