Peter fills Tony's glass yet again. Tony's explanation might have given Peter a better idea why Tony was reluctant to talk about Avengers stuff earlier.

It may have had nothing to do with Tony thinking he was a kid.

And if there was anything Peter was sure of from this exchange, it was that they had probably been together at some point.

Peter sets the water down on the bar and pushes it towards Tony.

"So when are you going to talk to him?"