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 ?
Option 0: He is awful at writing .
Option 1: He was proud of what he 'd written .
Option 2: None of the above choices .
Option 3: He does n't know what the song means .
Answer: 1