The relationship between a woman and her mother-in-law is an important one. It's probably the most important relationship when you marry, outside of the relationship with your husband. The mother can either make your life easier, or make it awful. Her way goes, and her son (your husband) will always have a soft spot for his mother. When a feud comes about, there's little one can do to deal with the embarrassment and frustration of an unfortunate encounter.
Misunderstandings, differing expectations, or perceived intrusions can lead to tension and conflict. This strain can make family gatherings uncomfortable and can put a significant emotional burden on the woman, her partner, and even their children. It's crucial to address these issues through open communication and mutual respect to find common ground and maintain family harmony. If your mother-in-law offers to help for the day and turns out not to be so helpful, maybe it's best to just keep one's mouth shut.