Anything you think you "must have" usually comes to own you.
A positive attitude is something everyone can work on, and everyone can learn how to employ it.
I'm almost reluctant to say it because it sounds superficial, but when you lose your hair, it just affects the way that you look at yourself in the mirror. You feel less feminine, pretty or desirable, and it's not an easy thing to go through.
It's not always as comfortable blazing the trail as it is walking on it.
Holding on to anger only gives you tense muscles.
Often, we don't recognize real moments of happiness in our lives because we've been expecting something different- something bigger or perhaps more dramatic.