Not just a popular plot line in movies, the cliché of a toxic mother-in-law or father-in-law can be a very real issue. Toxic people often use subtle methods of control and manipulation in relationships. In the case of in-laws, this toxicity may or may not be noticeable to others, particularly their own children.
If you suspect you have toxic in-laws, don't hesitate to click through this gallery to discover the signs and how to deal with them.