You can change another way to lose weight. After all, there is more than one way to lose weight, but you. If you work in a company, he must ask John for his boss's advice. Because if someone you don't know does it, the boss will think you can disrespect him, so you. If you work out and lose weight. Tell him not to take you to dinner every day. You said you could lose weight. Let him know that you are serious.