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"He got a whole feel for fatherhood—holding hands with my son, playing with him, feeding him a bottle," the video vixen turned sales associate tells us.
"He was a natural with my baby," she adds. "By how seriously he cared for my child, it wasn't shocking when we found out a little later that he was going to be a dad."
The boasting doesn't end there. Read on to find out why Erica praises the unwed Kardashian mother-to-be, calling her a "role model."