something won’t/doesn’t hurt
From Longman Dictionary of Contemporary Englishsomething won’t/doesn’t hurtsomething won’t/doesn’t hurtspokenSHOULD/OUGHT TO said when you think someone should do something or that something is a good idea The house looks pretty good, but a fresh paint job wouldn’t hurt either.it won’t/doesn’t hurt (somebody) to do something It won’t hurt Julia to get up early for a change. → hurtExamples from the Corpussomething won’t/doesn’t hurt• The house looks pretty good, but a fresh paint job wouldn't hurt either.