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: Marco has been trying to lose weight for months. Sentence2: Finally he finds that he is losing weight. Sentence3: His pants no longer fit him very well. Sentence4: Instead of buying new pants, Marco buys a belt so his pants fit.
He is happy to have lost so much weight.