I could have told you that before you did it, [Cosima says, quietly heartbroken.]

I wish you'd called. I feel like I failed you. I didn't know you felt so trapped, I thought we'd have more time.

[She loves Alison, for all they have so little in common. She's coming to care about Sarah, for all they find each other endlessly frustrating. But Cosima's not a leader, and they'd all looked to Beth.]

She couldn't ever replace you. No one could.