Why do confident guys blush around a girl they are attracted to?

Anonymous
He's confident with the way he interacts with others, his intelligence and his high-status position

Recently we've exchanged a few eye-fucks and some banter and have noticed he's whole face and neck and even his hands all go RED.

If he's confident why does this happen even if they are attracted to the girl?
Why do confident guys blush around a girl they are attracted to?
7 Opinion