It is bad to be greedy.
Joe loves seafood and is excited to go to an all you can eat seafood buffet with his friends.
Joe wants to eat as much as he can.
Joe eats heartily but stops when he is filled.
Joe eats multiple servings of seafood, continuing to eat even when he is full.
Joe is able to enjoy his meal fully and enjoy time with his friends.
Joe gets sick from overeating and has to go home to rest rather than hang out with his friends.