He didn't say that in front of aryan, he thought it in his head only, and aryan didn't say that that ranbir fell in love with prachi because rhea told him to break prachi's heart.... aryan's exact words to ranbir were that rhea told you to hate prachi but then you fell in love with her and then aryan said that nobody should know that rhea hates prachi, which is when in his mind ranbir said he knows rhea hates pracho which is why she told me to break prachi's heart and also in his mind said he needs to speak to rhea. Nowhere did aryan once even mention that rhea told ranbir to break prachi's heart, aryan only said that rhea told ranbir to hate prachi just because rhea hates her too but ranbir instead fell in love with her. That's also why only in his head whilst looking at aryan that ranbir mentioned about the bet. Aryan does not know about the bet at all, and ranbir has hidden it from aryan. I watched the scene over and over again, especially paying attention to what aryan said and how ranbir reacted and none of aryan's words talked about breaking prachi's heart and only talked about rhea's hate for prachi. The only time the breaking heart words were said were in ranbir's mind, which proves that ranbir hasn't told aryan the extent to which rhea hates prachi.
Ohhkk... So I must've misunderstood the mental monologue part. And Rhea's hatred of Prachi is very visible to everyone. Except Ranbir knows the true extent of it.
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