[header] How to be bubbly and fun [title] Discover! [step] The first step to being a bubbly and fun individual, is to discover why you weren't before. Are you easily let down and depressed, or easily angered or annoyed? First take steps to improve control over your emotions. [title] Be happy! [step] If you want to outwardly appear happy, it would be easier if you felt it on the inside. 
When feeling angry or sad, smile, even if it's forced. Pretending to be happy is actually proven to improve your mood.