Why would my bd want me to give him money but he not even helping me with our son I'm doing everything by myself?

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8 mo
He don't think he entitled to spend money on our son because he don't see him like that. It's not my fault. My child father is emotionally, verbally and Physically abusive to me so I don't take our son around him like that but he do see him.
Why would my bd want me to give him money but he not even helping me with our son I'm doing everything by myself?
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