You shouldn't like being used.
Mike, who often hits up Frank for favors and never repays him asks Frank once again to drive him to the next town over.
Frank wants to respond to Mike's request.
Frank tells Mike that he's had enough and that if Mike wants a ride he can either pay him a couple hundred bucks or take a bus.
Frank tells Mike that it's no problem as usual and that he'd be glad to drop him off wherever he wants.
Mike is shocked but realizes he's been abusing his friendship with Frank and taking advantage of him and vows to stop.
Mike continues to use Frank and never learns that he's actually a horrible element in Frank's otherwise good life.