"It's no trouble. I'm a doctor, you know. It's what I do. Come sit down."

A quiet corner of the pub, a drink of water, and from there? Well, difficult to say. That's probably up to this poor fellow, more than anything. Watson flags down a server, makes a quickly murmured request, and returns to the business of leading Harry by the elbow to a place he can sit down in peace. "You can call me Watson. What should I call you?"