... [An incredulous look passes over her face. She can't believe he was going to risk going at it without even seeing what was wrong first. Does he WANT to knock her up?

But the wrong size... Sure, let's go with that. He gets an ego boost, she doesn't have to explain that she was an overenthusiastic dork. It's win win.]

Yeah, sorry again. It's just cause we haven't done it before! I've got the right one now. [New condom in hand, she looks down at him. After a pause, she lays it on a bit thick-] Gosh, I forgot your cock was so big. [before rolling it on properly, now with a bit of nervous laughing.]