Life is simply is a mystery, nobody actually knows what tomorrow holds.
Enjoy the journey and be willing to fail once in a while, but just make sure you don’t fail to drastically. The only real way to learn something new is to give it a go. If you find that you are facing a challenge, embrace it, be truthful to yourself that you have just learned something new about your capabilities. Once you find there is room for improvement, make a choice and go ahead and develop yourself.
Let life unfold its chapters as time goes by, and once you learn to appreciate and embrace your life, you can then develop methods to improve for future success.