Girls are not born "with fins", and there are no "real mermaids", so the question is kind of pointless.
They can't. Mermaids do not exist in real life and it is impossible to change into a different creature.
You are real, but mermaids are not.
Mermaids are not real anywhere.
No. Mermaids are not real and never were.
No. Mermaids are not real. They are nothing but myth.
No, they are just regular people in costumes.
Mermaids are not real so there are no mermaid girls having surgery. There was a child born with a physcial defect that needed surgery, but she was NOT a mermaid.
maybe they are real real they live to deep underwater if we went there we would be dead but they cotuld be fairytales
No. Mermaids are not real.
No. There are no real mermaids anywhere.
No. There are no real mermaids anywhere.
Mermaids are not real