Koby frowns deeply, pushing his glasses up his nose with his knuckle and looking Will over for a long moment. Is he kidding? He's probably not kidding. Will is very earnest and serious and dedicated and if he says he's running in the rain, Koby is probably also going to run in the rain.

So he sighs, heavily. "Can I have...five minutes to get ready?" If he's going to be running in the rain in his pajamas, he's going to have some Negative Things to say.