Smol!Steve and Tony
"You're getting sassy in your younger age," Tony said, dropping his hand down. "I approve. I'd ask Pep or Happy about it if they weren't busy or...unhappy, in Happy's case. And I don't want to announce the whole hey, your dad is old thing to Darcy or Morgan."
He slumped down in the chair a little and wrinkled his nose up.
"You're not going to get stuck like this forever, Steve. The best in the genetic bizz is working on it. And if there's one thing I believe on an almost religious level, it's science."