How to respond to a pro-choice argument?

What is the most effective response when someone says something to this effect:

I wish my mom had aborted me. She obviously didn’t want me and has never said anything kind to me. Things would have been much better for my mom had I been aborted.

Things in our lives would sometimes be better if certain individuals were not in our lives. However that doesn’t give us the right to kill them.

Secondly, a mother who has never said anything kind to her own child clearly has deeper issues that would have ruined her life regardless of whether she had a child.

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