But they are not always to blame. Generally speaking, if there s trouble with in-laws in a family, blame is quickly assigned to the father- or mother-in-law. Many fathers- and mothers-in-law are wonderful folks, beloved parents, good communicators, and fun-loving people. When their son or daughter ends up married to a person with immature attitudes, an abusive personality, or excessive emotional baggage, these parents are now stuck with a son- or daughter-in-law who makes their lives a living hell.