[There's a slight look of surprise before there's a teasing smile.]

My, Donald, we haven't even had a proper date yet and you're already inviting me to your family photos? How bold of you.

[Normally she'd think something like that way too fast, but she doesn't really feel that way. A little awkward, sure. She hasn't actually met his family so even though she's teasing him now, she'd still be hesitant on that front.]