Mistakes are a part of being human. Appreciate your mistakes for what they are: precious life lessons that can only be learned the hard way. Unless it's a fatal mistake, which, at least, others can learn from.
You can search throughout the entire universe for someone who is more deserving of your love and affection than you are yourself, and that person is not to be found anywhere. You yourself, as much as anybody in the entire universe, deserve your love and affection.
We are afraid of losing what we have, whether it's our life or our possessions and property. But this fear evaporates when we understand that our life stories and the history of the world were written by the same hand.
Men are not free when they're doing just what they like. Men are only free when they're doing what the deepest self likes. And there is getting down to the deepest self! It takes some diving.