I am not sure if i understand Pooja's reaction to Ranbir. I mean there is the fact that he was not a good person to begin with and it is a contract marriage to gain his inheritance wtih the benefit of kanya;s family honor.
TO be honest, i think pooja's reaction was fair today. how can she trust him that he isnt just doing this for inheritance or b/c she is going to take half his inheritance when the divorce occurs. as a sister , she's going to look out for her sister. she doesnt want kanya to be used for money and never be happy.
im sure she understands ranbir's feelings for kanya b/c she was the first person to think is he changing for real? but she cant help to be skeptical for her sister's life. im sure she'd want them to stay married rather than have a divorce b/c that wud kill her parents.
but then if she's trusted her sister with him so far, y cant she trust him now. y cant she trust to let her sister be with him further when she's already been living with him in the same room for a good amount of time. i think she overreacted but her reaction was fair. i wud prob do the same if kanya was my sister. esp if my sister told me she wants to get out of it as soon as she can. so i dunno.. i don think we shud judge pooja too harshly