You and N are together for 2 years and for a while he became cold around you then you found out his cheating on you for 2 months with your best friend katie

you were arguing with him for the fact you found out he was cheating, as you were arguing he said something that totally broke your heart "YOU KNOW WHY I CHEATED ON YOU? BECAUSE IN SICK OF YOU!!" N screamed at you, but he calmed down when he saw you crying and shocked "i-im sorry... I d-"