" A lot more than you can make in espionage, obviously,” Alexander muttered. “I’m working for the good guys and I can barely afford to pay my electric bill.” “And yet you have five designer tuxedos,” Catherine said. “Those are a necessary expense!” Alexander protested. “A good spy has to infiltrate plenty of high-end social events. You don’t expect me to go to a fancy cocktail party in jeans and a T-shirt, do you?” “No,” Catherine replied. “Although during my entire career I’ve almost never had to infiltrate a fancy cocktail party. "

― Stuart Gibbs , Spy School British Invasion (Spy School #7)