[ His shoulders slump. Relief. He's not able to really process everything going on but if this feeling is mutual, if this feeling is real, then he's got an anchor here. Family, she says, and it cliks in his head. Solidity. There's only one real way this girl could be related to him and he's sure of that. He smiles despite the edges being worn down with tiredness. ]

Yeah. I think I'm—

[ This time the pause is borne of a different realization. She doesn't remember him and he only knows their relation more than remembers the events of it, but he's only as physically old as her brother—his son, and boy does he need to make a call once this is settled—and without the context, that's not normal at all. So, start with the facts and see if she makes sense of them. ]

I'm... older than I look. And this feeling we have, being family... I'm your father. That feels right.