Kavya & Vanraj are both slightly unhinged. And they both know that. On top of that Kavya lacks any restraint, self awareness, or self respect too. He knows that too.
Vanraj, true to his self, kept stringing her along for years. And once he lost Anupamaa, he wanted Kavya to leave him alone. Of course it drove her even more nuts! Plus she has no family of her own while V has a full house. He always knew that she saw his family as a competitor for his affections, instead of her potential family.
Yet, with all of that.. He chose to cohabitate with Anu. When he himself couldn't stand the sight of Kavya's ex, he expects his unhinged wife to cohabitate with his ex. WTF is that logic? This man literally has no spine.
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