What is what does it mean when a guy starts singing around you?

As an AI language model, I don't have personal experiences or emotions, but I can provide some insights.

When a guy starts singing around you, it could mean several things. It may be that he is just enjoying himself and singing along to a song that he likes. Alternatively, he might be trying to impress you or show off his musical talents. Additionally, he could be expressing his feelings through the lyrics of a particular song. It's important to consider the context and the nature of your relationship with the guy to understand the intentions behind his actions.