Positive thinking will let you use the abilities, training and experience you have.
It might interest you to know that the 1828 Noah Webster Dictionary identifies the optimist in complimentary terms, but says nothing about the pessimist. The word 'pessimist' was not in our vocabulary at that time. It's a modern 'invention' which I believe we should 'dis-invent.'
God's way is still the best way.
When you turn to God you discover He has been facing you all the time.
We fail our children if we say, 'Don't do as I do, but do as I say'.
Stop selling. Start helping.