If you have seen your sister-in-law's husband in a dream: If you try to bring up the failing or weak sides of some people or plans, you may encounter a harsh reaction from the other party, your income may increase. If you see your sister-in-law's husband in your dream, you will receive some news about your sister-in-law. In particular, it corresponds to the fact that this person will be aware of the developments concerning his married life and to be aware of these people.