Never disclosing salary

"So, how's the new job going? Are they paying you well?"

"Let's just say I can afford the car, but not the garage to park it in.."

"What?"

"Oh, you know, I can get the iPhone, but not the case to protect it."

"I don't understand. Can't you just tell me?"

"Well, I can buy the plane ticket, but not the hotel room.”