hate overpowers him more.what ever may be the he always hurts her but he never hurted his own sister in similar way because he loves his sister unconditionally but his love for her is conditional he insulted her everytime because he dont want her to know about his feelings he insulted her because she didnt express her feelings for him and biggest thing is he always think of him first love never make selfish and ego diesnt exist between love and it is her pure love he always breakdown for a moment
540