Why does Dave take the gun with him when he goes to work in the morning?

Dave takes the gun with him to work for personal protection, reflecting a heightened sense of vulnerability or fear in his environment. It may also signify a desire to assert control in a situation where he feels unsafe or threatened. This action may stem from past experiences or a general perception of danger in his daily life. Overall, carrying the gun symbolizes his struggle with security and the complexities of his circumstances.