Simran is way out of place to tell Urmila that Sid has to sacrifice his love for Sia just to make Astha happy. She portrays a fair person, but she is hurting those who love her the most.
Urmilla duty is to make her son happy. Now she feels obligated to follow Simran's request. I don't think Simran is a strong character anymore. All she does now is cry when Astha abuses her and makes everyone else suffer. Urmilla, Sid, Sia, Shaguna, her father....all are unhappy because of Simran's decisions.
All of us have parents here, so you guys know that no matter how grown up we are, if we dare answer back our mother, it is a solid slap we will get for being disrespectful. I cannot imagine talking to my mom so and then have her give me more love and attention. No way! My mom will tell me while I am under her roof, i follow her rules. Plain and simple.