Father

Cooper is embarrassed that he did not figure it out before now

A fathers love knows no bounds. Even money.

He walked 11 miles for work every day.

A father refused to sit back and wait when his son didn't return.

There's the usual: some kind of power tool that will be added to the ever growing collection, a new wallet (that he only accepts because he doesn't want to hurt your feelings when he'd really rather keep the broken in one)... a coffee thermos, a new fishing pole, a hunting jacket or...