As a kink, yes.
Possession is, "You're mine and no one else's, and you're gonna have a bad time if you stray."
As a kink, yes. But the difference is that you see it as "free to do whatever you want." That's not possession. That's loving. See what I mean?
Possession is, "You're mine and no one else's, and you're gonna have a bad time if you stray."