Woman castrated her husband because he cheated on her

The woman tied her husband to a bed and cut off his penis with a knife after he cheated on her. The incident occurred in the port city of Santos, 77 miles from Sao Paulo in Brazil. The husband, 28, was taken to a hospital for surgery. The doctors has concluded that there the organ cannot be reattached.The woman realized that her husband was cheating on her with another man, and didn't do anything. Days after, the woman told her husband she wanted to fulfill a sexual fantasy and to tie her husband to the bed. With the man tied hand and foot, the angry woman cuts his penis with a serrated knife in what other women has claimed was the best practice. Do you agree?