MILENA DOESN'T know if Clarabelle is just really like that but she couldn't help but to get jealous as hell. Alpha Angelov was quick enough to get away from her as he looked at her meaningfully, like he was saying that it wasn't really his fault why Clarabelle did that.
Milena knows that. However, her mind was already so clouded by her own jealousy that she avoided looking at them and chose to turn her back, going to their room.
She knew that it was a dumb move. She should be there owning her man! But she doesn't have the energy to do that and just let Clarabelle hold Alpha Angelov as if they're the one who's married.
But then Milena laughed off her own thoughts. Really? Married? Oh, goodness. What they got is just fake from the very beginning! They're just fooling the pack members around them.