[header] How to weigh the costs of cheating on your wife [title] Consider the emotional damage to your wife. [step] When your wife discovers your affair, it can have a devastating effect on her and your marriage. She is likely to lose her trust in you, which will be difficult to overcome if you intend to stay married. 
Your affair might also damage her sense of self-worth. Aside from the repercussions you'll face, you will have hurt your wife immensely.