that's true...
Actually both Aarti and Yash have decided to marry for the sake of their children. They say it over and over again...and each is aware that the other has children...they don't seem to have factored that in. They haven't thought about their responsibilities to the others' child/children.
As for yash: he seems to have made up his mind that Aarti will be a good mother to his girls (from their limited interaction...go figure...but okay, lets give him the benefit of the doubt...he has an "instinct").
You're right in that he hasn't thought about Ansh at all...maybe it will slowly sink in that this little boy has given his heart to him and he is going to have to be responsible...
As for Aarti: Not getting it at all. She thinks Yash is some kind of lafanga...then how does she think he'll make a good father to Ansh???😕 Beyond me.
In the end we have no choice but to put it down to the convoluted logic of the soap world where very little makes any sense...
and however absurd and ludicrous the road ahead might be we can hang on the the thought the leads will get together in the end ... and live happily ever after...😆 i only wish they made the journey worthwhile...