Telling “I Love you” in a role play scenario?

We’ve been dating for 8 months, we have not said “I love you” yet.
Yesterday we role played Daddy/Daughter and as he was spanking me, he told me, I am spanking you because I love you and want to teach you how to act appropriately.
He has often called me and told me very affectionate things but only said I love you as a part of role played. Why?

Telling “I Love you” in a role play scenario?
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