[In a sense, her jitters are actually kind of reassuring, and it makes him quirk the slightest hint of a smile.]

Don't worry about, um... being a mom. We'd never expect that of you, and... I do have one back home. I'm not looking to replace her.

[He can't speak for Tommy, but he's in a complicated situation all on his own. And speaking of-]

Try not to worry about Tommy, either. He's fast at everything except... processing emotions, I guess. Give him some time.