[He stomps on his disappointment to stop it from showing on his face, the last thing he wants to do is guilt Yamaguchi into anything. He just... it would just be nice to finish the date with that, ]

If you want to go somewhere else to kiss me then you'll have to suggest the location, but saying no is an option. I wouldn't want you to get a reputation as a guy who kisses any boy who takes him on a date. [He pretends to realise something, feeling like he's being unfortunately fake when all he really wants is to not make this awkward.] Unless that's the kind of reputation you want?