Fill your child with self-esteem. Children need their buckets filled each day by their parents and other adults and family members. The remainder of the day people will be taking things out of the bucket. Make sure your child's bucket never gets empty.
You can't change your situation but you can change your attitude in how you decide to see it and take the actions from there that's beneficial. Choose to be positive, find strength, be the better person. Be the better you.