[ Sarah nods. It's not like she thinks Cosima would give away all the details behind her back, but she is a little bit surprised it's never come up between her and Clara. Then again, Cosima is so chill about the clone thing, maybe it's not surprising at all. ]

She's how I got pulled into all this. I saw her at the train station. She killed herself in front of me. Walked right in front of a train. I— [ Here she swallows, hesitating. The first part is what Beth did. The rest is all Sarah, and she hates herself for it. ]