Dev's love is obsessive, over possessive, insecured and suffocating because, he always experienced and admired this type of love which is showered on him by Ishwari. He was always caged in the wall of duties, pressure of earning money, providing best life for his family and above all he was always lived under a guilt that for his education Neha sacrificed but the truth is Neha was deprived by her own mother as she was a girl child. If Neha would have been a boy then would Ishwari took the same decision? No, never. It is Ishwari's manipulation that Dev is living complecated confined life and Neha is filled with bitterness.
Sonakshi and her family came to Dev as a surprise package . He saw a family who are so bonded yet everyone live life on their own terms. Sona's outlook towards life , her honest and clear thinking, caring and positive attitude and self respect attracted Dev towards her. His lonely life actually got a friend to whom he can ask for advice. He fall in love with her. Dev's imprisoned heart got an outlet towards freedom , his colourless life was painted by Sona, Dev was changing towards becoming a better person but his blind trust and love towards his mother and family led to a bitter break up. But that day Dev, whom Sonakshi once loved,lost. This Dev is the broken version of Dev Dixit who is waiting for home coming holding Sona and Soha's hand. Sona is Dev's open sky , fresh air. He feels alive when Sona is around.
Dev is weak , immature, egoistic, arrogant, rude, but Sona is strong, selfless, caring and mature.
But one thing is common in both of them is that they are hopelessly in love with each other. While Dev fall in love, there Sona rise in love. Today, Sona emerged as strong and successful and Dev has chosen a dark life for himself.
Dev is destined to be in pain because he never faced the truth and lives in an utopia where whole world evolves on his own baseless assumptions.