a stitch in time saves nine - Don’t be a moron and wait until everything falls apart. Fix

Don’t be a moron and wait until everything falls apart. Fix it now or be stuck with a disaster.

He fixed the broken screen before it turned into a full-blown explosion. Don’t be a fool.

She fixed the tiny hole before it became a giant rip. That’s what I call smart.

I fixed the tiny burn before it became a full-blown disaster. You know how I feel about burns.