Humor is a show of both strength and of vulnerability: you are willing to make the first move but you are trusting in the response of your listener.
Having a lean and hungry look was frowned upon in my Italian neighborhood where a girl was considered too skinny if she could make her knees touch.
If anger were mileage, I'd be a very frequent flyer, right up there in First Class.
Most cooks would not, for example, prepare an important, elaborate, and difficult dish on the back-burner. Neither should we relegate the cultivation and preparation of happiness for a position where it is both hard to reach and difficult to infuse with new ingredients.
