Why has he called me so many pet names in such a short time and we aren’t even together officially?

He’s called me everything from “Babe” “Baby girl” “Lil mama” “Young lady”(Even though we’re both 25.) and when he did say my name in a text he spelled it wrong and not to mention when he saved his number in my phone he saved it as “Daddy”

Why has he called me so many pet names in such a short time and we aren’t even together officially?
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