Don't listen to him. Critics and managers don't contribute much.
I've been fired several times and one of the places I used to work, my boss said "you suck" "you aren't good enough" "you will never be rich" "you don't have what it takes"
I had to forgive him and let go.
It hurts because he is attacking your character and I understand. But forgive him, forgive yourself and ask yourself what you can do now.
If you have to get a pizza delivery job in the evenings go out and do it but NEVER, NEVER GIVE UP!
Visit www.millionairementorsaccess.com to grab your copy of my FREE eBook "20 Productivity Boosting Methods for the Positive Mind"