If he said so himself, James was usually quite good at having something clever and funny to say. Sadly, it was a skill which seemed to have evaporated completely over the last thirty seconds, leaving him open-mouthed and gaping. Not, it had to be said, a particularly strong look at the best of times. Definitely not when you were meeting your son who, from the look of things and the quick maths James was doing in his head, was suddenly about the same age as he was.
Come on, Prongs. Pull it together.
"Um," he said. "Yeah. I mean... I guess so." More for something to do with his hands than anything else, James placed the mug he was holding cautiously down on the side. Carefully, as if half convinced Harry was dissolve into smoke the closer he got, he took a few steps across the room, still looking him up and down. It was like trying to piece together two slightly broken puzzle pieces, trying to connect this wizard to the baby he'd held less than 24 hours previously. He didn't really think before he reached out, his hands grasping at Harry's shoulders so he could examine him at arm's length.
"I'm... Merlin, you're - really big." James winced at his own words. He needed Lily here. She'd know how to handle this. Thankfully, the kettle took that moment to click off, leaving the room suddenly silent. "Um," James said, continuing his new penchant for interesting conversation. "Cup of tea?"