Depending on the quality of thought, there can be positive vibration or negative vibration. We feel happy or sad in each other company depending upon what kind of vibration one has. That is why with some people we always feel happy, even if they are not so close to us. While we dont found our self enjoying in company of someone who is even closest to us. It is all because of their (negative) vibrations. Surround yourself with Positive vibrations. Positive vibration has power to heal the mind, body and soul.