what's the use (of doing something)(redirected from what is the use of doing something)
what's the use (of doing something)
What reason is there (to do something); why should I bother (doing something)? A: "OK, so you didn't do so well on the test. Just study a bit harder next time!" B: "What's the use? I'm just not any good at math." What's the use of making your bed each morning when you're just going to mess up the sheets again at night?