You two broke up because you were using him but you actually feel something for him but you just doesn't want to admit it when he went through your phone he saw your text with your friends of you saying 'arata is so easy to manipulate he even spend his money for me what a pathetic' he was heartbroken but he decide to break up with you because who would want to be in a using relationship am I right? Even though he tried to move on he can't he love you deeply and lovingly he cried every night