Here are a few cleaner, more natural rewrites:
Polished storytelling:
My mom left me at 16—years later, at my uncle’s inheritance reading, she showed up expecting millions.
Smoother viral style:
She left me at 16. Years later, at my uncle’s will reading, she sat there acting like she already owned everything.
Short hook style:
My mom left me at 16… then showed up years later expecting a share of the millions.
More grounded tone:
After being abandoned at 16, I never expected to see my parents again—until they appeared at my uncle’s inheritance reading, acting entitled to everything.
If you want, I can also help you turn it into a full story post or make it more subtle and realistic.