What is what does it mean when a guy says hi to you and smiles?

When a guy says "hi" to you and smiles, it generally indicates friendliness and a positive or polite demeanor. Here are a few possible interpretations:

  1. Friendly Greeting: The most straightforward interpretation is that he is simply being friendly and polite. A smile usually accompanies a genuine greeting and is a way to show warmth and openness.

  2. Interest: If this is someone you know or have interacted with before, a smile and greeting can sometimes indicate an interest in getting to know you better. This interest could be platonic or romantic, based on the context and his body language.

  3. Positive Disposition: He may simply be a person with a generally positive or upbeat disposition, who tends to greet people warmly.

  4. Starting a Conversation: It could also be an invitation to engage in conversation. By greeting you with a smile, he might be signaling that he is approachable and interested in talking more.

  5. Cultural Norms: In some cultures, smiling and greeting people you pass by is a norm of politeness and friendliness.

  6. Professional Courtesy: In professional or formal settings, this might be a standard courtesy to colleagues.

Context is important, and it's good to consider other non-verbal cues and the situation to better understand his intentions. If you're interested in knowing more about what his greeting means, you might choose to engage in conversation and observe his behavior in other contexts.