Oh.

[ It surprises him, genuinely, but then it doesn't, because it makes sense. Jack hates being alone and he was so grateful when he met Rowena and knew he didn't have to be. They've always been a unit and Castiel valued his family too. He must miss them, especially given how he feels about his choice with Lucifer. That is a big open gap for him. ]

I would have invited you to stay nearby too, but I didn't think you would be comfortable with either of us. Rowena because of your past, me because you don't know me. It's been painful for me, being without you, but I know you never asked for this.

[ This being Jack and everything he represents. It has been hard without him. Jack got so used to unconditional love and acceptance and it's not easy for him to be faced with someone he loves with no recognition in their eyes. But he's found value in what they've built so far. They've had this entire conversation and it hasn't been as painful as the first one. Although Castiel is drunk so he may not mean much of what he's saying. ]

You don't need to sleep to decide to have a home. We had the bunker. You could get a room nearby.