Katie seeks help.
Scared that her life is falling apart, Katie calls on her therapist to hash things out. But, when she starts talking about Brooke, her frustrations take over.
"I hate that I'm even talking about her," she says. "I mean, why do I always talk about Brooke? Something goes wrong, and she's always right there in the middle of it, giggling and tossing her hair. It's infuriating!"