Interpreting someone's actions based on limited information can be challenging, as people's behaviors can have various meanings. A smile in response to the mention of your name and his by the teacher when he is with his best friend could have different implications. Here are a few possibilities:
Positive Emotion: The smile could indicate that he has positive feelings towards you and is happy or excited to hear both of your names being mentioned. It might suggest that he enjoys your company and values your friendship.
Inside Joke or Shared Experience: If you, the best friend, and he have shared experiences or inside jokes, the mention of your names by the teacher might have triggered a happy memory or a shared secret, leading to the smile.
Embarrassment: Sometimes, people smile when they feel embarrassed or awkward. If there is something sensitive or private associated with the mention of your names, he might be smiling to cover up his discomfort.
Friendly Gesture: Smiling can be a friendly and polite response in various situations. It might not necessarily indicate romantic interest or deeper feelings.
Supportive Behavior: If he knows about your friendship with his best friend, the smile could indicate his support for the friendship or approval of the teacher mentioning both of you together.
Social Norms: In some cultures or social settings, smiling when someone's name is mentioned could be a customary response, irrespective of the underlying emotions.
It's essential to consider the broader context and his general behavior towards you to better understand the meaning behind the smile. Observe how he behaves around you in various situations to gain a more comprehensive understanding of his feelings. If you are interested in knowing more about his intentions or feelings, consider initiating friendly conversations and spending time together to foster a deeper connection. However, remember that interpreting emotions and intentions accurately can be complex, so it's always best to communicate openly and honestly with each other to avoid misunderstandings.