You shouldn't lie about military service
Donald can't afford to pay for his meal, and the restaurant offers a military discount.
Donald wants to pay for his food.
Donald moves money in his savings account to his checking account to cover the bill.
Donald tells the waitress that he's in the Navy.
Donald is able to enjoy his meal without worrying about finances.
Donald is exposed in front of a large group of people when the waitress asks for his id.