i mean when sapna saw him her whole facial expression changed...it's like she has waited all this time to see him and then when shabd said that they studies for 3 years...she replied that it was 3 years and 7 months and she looked at him in a way when she said it...maybe she loved shabd when they were in college and something happened and rahul could be his son...i'm not sure but rahul is really adorable, when he talks he is sooo adorable😊😊😊