is the second episode of the fourth season of the medical drama series Grey's Anatomy .
Meredith and Derek continue their "friends with benefits" arrangement, which Derek eventually admits feels more like an addiction than a healthy relationship. [S4E2] Love/Addiction
Meredith's half-sister, Lexie, attempts to bond with Meredith, who remains resistant to having a relationship with her. is the second episode of the fourth season
Watch a recap of the episode's themes and major character developments here: attempts to bond with Meredith
Jane Burke returns to the hospital to collect her son Preston's belongings following his departure. Cristina, meanwhile, begins trading her unwanted wedding gifts for surgeries and favors from other doctors.