Trusting Castiel to gather the bulk of information over time and disseminate it as he feels appropriate, Sam acquiesces to the suggestion and smiles tightly. Dipping his head, he can't help but wonder what the angel might be thinking — a surprise four-year-old is a shock in of itself — and as he gets the sense things are moving on, by way of support, he offers what he can to them both:

"We'll catch up more when everyone's settled in," he agrees. "But it's good to meet you, Jack. Welcome to the family," Sam adds, entirely unwitting of the fact that this perception of his instant approval of this stranger will only cast him as a hypocrite soon enough. For now, he boldly accepts Jack's proximity, even if he doesn't necessarily feel comfortable with the void of information yet to be filled.