What do you do when your family doesn't have faith in you?

Both of my parents think I'm not capable of taking care of myself and my son my dad told me I wouldn't be able to survive on my own or have my own family and my mom said I'm not capable of taking care of me and my son on my own I Know I can but why can't my family support me? I don't know what to do
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7 mo
And I'm trying to get a job now
What do you do when your family doesn't have faith in you?
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