[Perhaps the silence should be more unnerving, but by now it's almost more of a comfort. Knowing that they can just stand here in perfect silence, each lost in their own thoughts... that's a good thing. It's not boring or annoying or anything like that, but rather proof that he can still do this right. Quiet contemplation. It's not something he's been able to maintain around women, but this is going well enough.
Her question pulls him out of his thoughts once more, and the immediate response is yes but he's already tempted fate so much today. After that kiss... he doesn't feel like he can risk another gamble.]
I would love to, Miss Miwako, but I'm afraid I should get going. Some other time, maybe?