Even comforting may have the effect of enfantilizing him. When he says, i'm so far behind, i feel like a child in an adult's body, you can say, no or no, you're not. You're clearly an adult in an adult’s body. And then you is the partner who loves this person and feels incredibly frustrated because these are the two tools in my tool belt. Why aren't they working? What do i do? It's hopeless. So insteaid o, what you should do is just listen. Ask questions. But there are some questions here that you could ask, which go to some of these things.