Dwelling on the negative simply contributes to its power. To change and to improve are two different things. Laugh at yourself first, before anyone else can. To be happy, drop the words 'if only,' and substitute instead the words 'next time. Be a first rate version of yourself, not a second rate version of someone else.
Courage is fear holding on a minute longer.
A critic is someone who never actually goes to the battle, yet who afterwards comes out shooting the wounded. All of us tend to put off living. We are all dreaming of some magical rose garden over the horizon instead of enjoying the roses that are blooming outside our windows today. We cannot do everything at once, but we can do something at once.