Given the task definition and input, reply with output. In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.

Sentence1: Paul's car broke down shortly after leaving the driveway. Sentence2: He decided to push it back home and repair it himself. Sentence3: Paul found himself in over his head and called a tow truck for repair. Sentence4: The tow truck took the car to a garage where it was repaired.
Paul then realized attempting repairs yourself can be expensive.