Context: He had been writing down the lyrics while he thought of them and read through them quickly . He could n't help the bursts of laughter that bubbled up . It was the most lovesick thing he 'd ever seen , but he liked it .

Question: What may be the reason for him laughing at himself ?
Options:
0. He is awful at writing .
1. He was proud of what he 'd written .
2. None of the above choices .
3. He does n't know what the song means .
Answer: 1