"Better that than getting to be their beloved big brother," this is said with appropriate little-girl voice, "and then turn into 'that nerdy brother of mine'." He pulls a face.

Then he rolls his eyes. "You say special friend and you're gonna get texts from my sisters," he says, "or my friends, they signed me up for some nerdy dating site last month..." He clears his throat. "A-anyway, don't ruin the surprise by telling me what it is, the hell kind of guy are you?" He's laughing now.