Lol you reminded me flinstones cartoon "an elephant never forgets a friend"

She will never forget her son. She will never ever forget her son. She has never forgotten her son.

Jus to be sure. She never forgets. She will never forget. She hasn't ever/has never forgoten. Not sure about last one

all right.ever puts emphasis on never

She forgot her son in 20 minutes of not seeing him.