old enough to behave in a more sensible way than you actually did (have) an old head on young shoulders used to describe a young person who acts in a more sensible way than you would expect for a person of their age the (same) old story what usually happens It's ...
old enough to behave in a more sensible way than you actually did (have) an old head on young shoulders used to describe a young person who acts in a more sensible way than you would expect for a person of their age the (same) old story what usually happens It's ...