Woman says she has 'vicious' mother-in-law who 'runs finger along window looking for dust'

“My sister-in-law, however, is a nightmare,” she admitted and explained that her husband’s sister is bossy, rude and inconsiderate.

Having a good relationship with the in-laws is crucial for a successful marriage and in order to avoid problems and tensions with your partner.

According to relationship experts, there are some ways to build a good relationship with a mother-in-law including always remaining polite, speaking nicely about her son and getting to know her.

Complimenting her, asking for her advice in life, offering to help and bringing gifts once in a while also help improve the relationship.