"Oh, working all the hours they'll have me. Trying to put a little something aside for... a rainy day." Or a day when his changes progress too far, and he needs to run rather than get institutionalized or something.

Russell tries a polite smile, but mostly keeps focusing his line of sight through the phone, letting him see when the mystery man starts watching outside. He can't be sure what exactly the man's looking at, but he can assume the worst. "Oh, they can't keep hidden for anything, can they..."