River: Doctor, please listen to me. At least hear me. The Doctor: Now, if I don't come back--and I might not-- River: Doctor! The Doctor: --go to the TARDIS. The fast return protocol should be on. She'll take you home then shut herself down. River: There has to be another way. Use the TARDIS, use something. Save her, yes. But for God's sake, be sensible! {she goes to slap him and he stops her} How are you even doing that? I'm not really here. The Doctor: You're always here to me. And I always listen. And I can always see you. River: Then why didn't you speak to me? The Doctor: Because I thought it would hurt too much. River: I believe I could have coped. The Doctor: No. I thought it would hurt me. And I was right. {he kisses her} Since nobody else in this room can see you, God knows how that looked. There is a time to live and a time to sleep. You are an echo, River. Like Clara, like all of this. In the end, my fault, I know. But you should have faded by now. River: It's hard to leave when you haven't said goodbye. The Doctor: Then tell me, because I don't know. How do I say it? River: There's only one way I would accept. If you ever loved me, say it like you're going to come back. The Doctor: Well then. See you around, Professor River Song. River: 'Til the next time, Doctor. The Doctor: Don't wait up. River: Oh there's one more thing. The Doctor: isn't there always. River: I was mentally linked with Clara. If she's really dead then how can I still be here. The Doctor: Okay, How? River: Spoilers. Goodbye. Sweetie.