"I'm missing the part to put on it, apart from growing one in a tube..." Tony actually probably knew how to do that, that wasn't the best reasoning. Whatever the case, a finger wasn't like a heart or knees, and Pietro didn't feel right making Tony fix every little part of him.
The pizza box was suddenly on Tony's lap, and Pietro shifted to get comfortable again.
"She knows I still see you, she doesn't know I'm here right this minute."