Aqui estão as respostas / Here are the answers
a. Do you help yourself?
Yes, all the time.
b. Do you believe in yourself?
Yes, of course.
c. Do you know people who don't help themselves?
Yes, unfortunately I know many people who don't help themselves.
d. How do you help yourself?
I help myself by always trying to be a better person and also by learning from my mistakes.