The meaning behind a guy purposely touching your hand for a brief moment while you are talking to your friend can vary depending on the context and the individual's intentions. Here are a few possibilities:
Flirting: It could be a subtle form of flirting or a way for the guy to show his interest in you. Touching someone's hand can be a sign of affection and can indicate that he wants to create a connection with you.
Seeking Your Attention: By touching your hand, he might be trying to grab your attention or make sure you are paying attention to him during the conversation.
Playfulness: Some people use light physical touches as a form of playfulness or to be more engaging during interactions.
Social Gesture: In some cultures or social settings, touching someone's hand during a conversation might be considered a normal gesture, not necessarily implying any romantic interest.
Testing Boundaries: Unfortunately, in some cases, a brief touch might also be a way for someone to test your reaction or boundaries to see how comfortable you are with physical contact.
It's essential to consider the overall context and the guy's behavior towards you in general. If this is a one-time occurrence and he doesn't exhibit any other signs of romantic interest, it might not have significant meaning. However, if he consistently shows signs of attraction and tries to get close to you physically, it could indicate that he is interested in you romantically.
If you are unsure about his intentions or feel uncomfortable with the touch, it's okay to communicate your boundaries clearly. Everyone has their comfort levels with physical contact, and it's crucial to respect and prioritize your feelings in any interaction. If he respects your boundaries and your feelings, it can be a positive sign of a considerate and respectful person.