Like Kuttyponnu and Sue Nair said, it would have been different if it was his mom or Charu in Sudha's place, he would not have hesitated to blame Thulasi even more and to insult her infront of those two devils with an ugly evil smile on their faces. And moreover according to his super brain, it is nothing wrong to have his ex-fiancee in the same house with his wife. Does he want to have more guilty feelings seeing Charu everyday in his house?!
I don't think Thulasi can concentrate on her studies with the fight between her and TA yesterday. She won't sleep until she makes him to understand that she never suspected him and will never suspect him. I think she may cry like the other day when she she told her hubby she will die if he hates her.
If only his brain worked a little bit, many problems to Thulasi would have been spared and Thulasi would not need to cry with the so called everything of her in form of TA!