Yes.we can be happy if we are positive to others.eg...we have to say some positive comments to our friends.thats what we call good behavior.when we say naggative comments thats what we call bad behavior.we must have good positive comments to everyone even they did something bad to us.always have a good behavior than a bad behavior...a bad behavior will never get ANYTHING...people will alwys like people who have good behavior...ALWAYS HAVE A GOOD BEHAVIOR!!!