There is no regret medicine in the world. Since we broke up because of cold violence, it should be very difficult to recover. Some people are born with this personality. They are relatively introverted and not good at expressing themselves. Therefore, when problems arise, they tend to avoid them, and they don't want to face them. His indifferent attitude will make you feel that he is very aloof and unreasonable. So, you will gradually become estranged from her. If you want to save him, you have to accept his character. Moreover, this person slowly learns to be cheerful, learn to communicate, and then understand the other person. In this way, he can change his own shortcomings. Maybe others can accept him, but it is difficult to change his character and his character is difficult to change. If you have the same idea as me, just adopt it!