Given Voldemort, James was quite sure it was more than 'an itch'. But the middle of a party was hardly the time to go all parental on Jamie, especially when they'd only just met.
"Fair point," he agreed instead, amiably. "I have actually made a note to try and avoid getting cursed by Voldemort anytime in the near future. One day in and your father's already accused me of giving him grey hairs, which I'm pretty sure is supposed to be your job—though you seem to be doing it very handily yourself."
Not that Harry seemed particularly grey yet, but some grey hairs were on the inside; James thought he'd sprouted a few of those the night Sirius had sent Snape after Remus.
"Says the kid who got himself hexed by Voldemort at the age of—how old are you again?" James returned the smile, eyebrows raised. "Seems like you need to learn a thing or two about pacing yourself, too. Anyway I did say 'eventually'." James may have been ready to retire from the reckless, daring Marauder life when he had a wife and child to worry about and a war to fight, but now..?