My boyfriend doesn't call me petnames anymore. Not even "Babe, Baby, Boo etc". Just straight up, "hey". Is he no longer interested in me?

All before it was all the cutest petnames you could think of, now he barely texts me.
My boyfriend doesn't call me petnames anymore. Not even "Babe, Baby, Boo etc". Just straight up, "hey". Is he no longer interested in me?
Post Opinion