If I had a takeaway from the two inspirational speakers for the day, it would be that kindness is contagious, and it leads to greater benefits for the giver, and that happiness is about wanting what you already have.
I believe we were meant to be happy. I am also pretty certain it was meant to be a challenge to get and stay happy, or else we'd take it for granted and get bored. So then, life is about the pursuit of happiness.
It's never too late to start along this path -- whether you're 30 or 70. Your reward will be a life well-lived and a sense of freedom and liberation that only comes to those willing to experience life on their own terms... you can do it!