Is it normal to still want to sue the hell out of someone that betrayed my trust and scammed me?

I've been the victim of a romance scam and he wasn't a stranger. I knew him in person long ago and then the relationship turned into long-distance.

I'm not mad. I'm furious whenever his name comes to mind. He destroyed me and because of him I'll never have those years back. I got nothing out of those years invested for nothing. He never did as promised and it was all a lie. He scammed me with money too. I guess the saying ''Hell hath no fury like a woman scorned'' applies to me.

I imagine suing him for the money he never paid back and for the lies on his application he filed long ago to get his Green Card. I want to ruin him, dry him to the point he's begging for mercy. He destroyed my youthful years and now I want to destroy his value too. My greatest satisfaction would be seeing him deported back to his country and penniless on the streets; his value destroyed. He came poor to the US and him being poor again would be great.

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This is a narcissist I want to get even with. I imagine stopping at nothing to make sure I see his downfall.
I can go from reciprocating someone that commit and be with you till old age (don't lie, don't use you and I'll treat you like a kind in return) to being your worst enemy if you use you. I want to make him regret he ever met me.
Is it normal to still want to sue the hell out of someone that betrayed my trust and scammed me?
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