Don't worry, Martin, the pining is coming from both angles. It's not a good idea--- and Jon knows it isn't--- but as soon as he stands, he hesitates.

"...Martin, I---" He waffles on his words for a moment, tentative, but, call it a moment of weakness, he can't override his reluctance this time. It's selfish, stupid, and only serves to complicate things, but he can't help himself. Perhaps that's just the sort of person he is. "If it... would be alright, ah, I'm--- I don't know. I'm starting to second-guess if I can drag myself all the way up those hills. Flat town streets are one thing, of course, but..."

He's reaching for whatever excuses he can find, but the exhaustion is pulling him back down, so at least it's not a lie?