Jon does stop to give Martin a proper look for that, shaking his head. "I'll save my judgement, but know it is there. Next you'll tell me you're going to dye your hair when it really starts going grey."

Once in the kitchen he goes for the sandwiches Martin left in the fridge, not particularly interested in one handed cooking when a meal was already available. Before he could ask if Martin wanted that or not Martin's question gives him pause and he glances over.

"Well yes, I- I would like that very much." He turns back to the fridge. "You ah, you can stay as often as you like. I did give you a key for a reason, you know."