It's not acceptable but situations and loneliness each one was trying to console each other and crossed the limit.In the eyes of Vasu Mirthi is a bad person.Mirthi poor girl.Where are you .Do you know what Mirthi had underwent.If both pare ts are there if a girl gets all attention then she is doing this then I won't accept.In this case both are kids who lost their mother at early age.And Vasu is too strict nobody tool care of Mirthi.Lets see what author is going to do.