Infidelity is a choice, and even cruel, but the choice of the person who makes it, we always strive to condemn such people, because they swore, promised to be true, but, we always forget to ask ourselves why he - she suddenly changed? (her) go to the side to another person? And there may be a lot of answers! There is even such a testimonial: "That one cannot judge someone for the fact that he has fallen out of love or has fallen in love, a person does not have power in his heart." Is it worth forgiving? The choice is also each, if you still have a spark of hope, why not reanimate the marriage, and if not, do not interfere with each other, you need to clear the way.