John understands that perhaps Jim is teasing him, at that. It's certainly not the other man's usual casual manner of speech. Most suitable indeed.

Shrugging back into his jacket, he sets off towards Honir's district himself, firing off his own reply in return:

 My dear James. A fine show of manner, I commend you, though I hope you did not injure yourself in the attempt. 

#sass

By the lake, my dear. Fifteen minutes. I will see you there. Yours, John