1. If we do not pray sincerely enough.
2. If what we ask is not good for us and God intends to give us much more than what we are asking.
3. If our prayers seek to harm others.
In Michi's case their prayers are sincere enough. They are shown to sincerely pray for the well-being of the other and that they always remain united. Yes, Milsi did pray that Prachi should have a long life and his life span also be given to her. But I am sure God will not go about executing such a prayer which clearly harms the very thing he is praying for, i.e., her happiness. Prachi's happiness lies in Milsi. So there can be no question of seprating them and still expect her to be happy.
As to not answering their prayers because God wants to give them something more, in this case even that does not seem reasonable to expect, becasue what can be greater than their union for these two souls who basically live for each other?
And since they are asking for each other's happiness there is no mal-intent. So again there is no reason why their prayer should not be answered.
I am sure Michi will be reunited. But I dont want them to show anything that would sully that union. I dont want to see anything corrupt the sanctity of their marriage. MA marriage is the biggest joke of this century. Two married people marrying each other can only happen in a BT soap. But if they go ahead with it just to justify an ONS between M and A, it is as good as mocking the Gods and religions, because what is the use of Michi union if its purity has already been sullied? I would'nt want to watch this show after such depravity.
So they better show Michi reunion without any such impurity having dragged the religions into this entire affair.