In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.

Title: guitar. Sentence 1: I once dreamed of having my own guitar. Sentence 2: But before buying my own guitar i have to learn how to play it. Sentence 3: I ask my friend to teach me how to play it but i still can't. Sentence 4: I tried to ask my brother to teach but still i can't.
Until i decided to quit and find another hobby.