Read the following context and choose the best option to answer the question.
Context: His old flask was strapped onto his belt , because he was worried that the contents would leak onto his clothes . But the hunt for a replacement receptacle was not why he was really out there . He was escaping the night , and the emptiness of his flat .
Question: Why did he leave his flat at night ?
Options: 
- He was feeling alone .
 - He wanted to replace his flask .
 - None of the above choices .
 - He wanted to go exploring .


He was feeling alone .