[ He wants to believe Luke. He knows he's said the same thing to Luke a lot in the past, so it's only right that he accept it this time. So he nods slowly. ]

Seems easiest. That'll be our first try. If she refuses, we'll have to find another way. But I can't right now. [ He's thinking about too much and he's tired and if there's even the slightest chance they can talk to the Nuwa AI, they need to be in the right frame of mind. He lingers with Luke a little longer, almost like he's fallen asleep, but then he sits up and gathers his things, then gets off the bed. ]

I'm going to sleep. You should try again, too. You'd just managed before the messages came up. [ Maybe he listens to make sure Luke is sleeping. ]