I should say the same to you.

[He says that with a small smile-- but then, again, a little seriously:]

I want-- I want this to be brilliant for both of us. I mean, obviously, but-- if something's wrong, tell me, yeah?

[And he means what he says, yeah-- but she also told him to relax, and so he tries to take away from the gravity of the moment by fiddling with the condom: opening it, focusing on it, slipping it on with a slight face--]