[There's more than a little guilt in his voice.]

I don't think you're the one that has to worry about messing things up.

[He gives her hand a little squeeze in return, hoping the gesture will cheer him up a little bit. He hasn't lost her yet, after all, so that's something to be happy about. Besides, there's the party, and the dress, and the dessert....]

You, Yako Katsuragi, are a great girlfriend, so don't ever thing you're not.