PS is a good actor, but his character has been butchered even before it was given a chance to breathe. As Buddha's best friend, all he is trying to do is take his wife away and give him pain. Which best friend does that?
Yes she should have shown him that he was wrong, asked for an explanation and then given him a shoulder to cry on. Not only did he not do that, but now is running after his friends wife.
Farah,
Tarun's character has been butchered simply because we cannot tolerate anyone coming between our jodi. It can be Mahatma Ghandi or Miss Universe and they would still face our wraths!