Jimmy may or may not be snickering at Sherlock's offended tone. Except he totally is. With a polite cough as an attempt at camouflage.

"Mostly? Selling ad space in between songs on the radio. Or whatever inane idiot got themselves a talk radio program." Jimmy shrugs. "It wasn't glamorous, but it paid the bills." Although he looks thoughtful for a moment, before going back to Sherlock's conversation.

"A consulting..." Jimmy tries to make sense out of that one and fails, miserably. Although with as fondly as Sherlock speaks about the battle of wits, he shouldn't have been surprised that they both made up remarkably similar job titles for themselves. Jimmy just wondered who'd come up with it first.