I don't believe this.. not at all!!
For all that everyone keeps speaking about Archu's dignity and self-respect, you want Manav to accept Archu even though right now she is the villain in his eyes and does not hold the respect that had made him fall in love with her??
Well, I really don't. Relationships dont survive only on love, and even though Manav may be looking like a villain to everyone right now, I'm actually glad he didn't accept Archu saying, "I love her so much and she also loves me.. so maybe I should forget that she destroyed my family.." or "If I dont take her back where will she go... what will she do..???" (Pity) What will this relationship give both of them?? Nothing. The bad memories will haunt them forever. Manav wont be able to defend Archu when Savita wud taunt her for ruining the house, cos she is a culprit in his eyes anyway. Love as a weakness never makes relationships successful. Relationships never survive if there is no respect. And I'm glad Pavitra Rishta showed this dilemma, right now from Manav's view point and earlier from Archu's. Archu loved Manav but never accepted it, nor did she go back to him cos she thought him a characterless man, she didn't respect him. Slowly when the seeds of respect started sprouting due to the Varsha affair, she started thinking, until finally she accepted that he was a good man and declared her love for him openly. then when she found out the whole truth.. there was no stopping her... love with respect is the biggest strength, but love without respect is the biggest weakness, and I am happy Manav did not fall weak in front of his emotions.The same thing is what I want with Manav too. I want him to find out the truth, respect her again and go down on his knees to get her back and respect whatever decision she takes.
The bad thing is that in all this mess and this harsh reality, the person suffers... Earlier Manav suffered, now Archu is suffering.
And regarding why he didn't show Archu any love or sympathy, isn't that kind of obvious??? He doesn't want to raise any false expectations.. certainly not after saying that they must go different ways... exactly like Sulochana never said a small thankyou to Manav after he saved Varsha, same case... not raise false expectations. (this Sulochana thing was pointed out by others not me)