In-Laws

Q: Is it allowed for a man to call his "mother in law" ammi or mother? 

Q: My sister in laws have some misunderstandings with me. My in laws and mother in law used to say not to trust me whatever I do. They used to brain wash my husband. I myself expect love from them but they wanted me to respect and love them but they never do the same for me. They are making such problems which are big headache for me. Can in laws command my husband through wrong directions according to Islam?

Q: When a husband passes away a) does the husbands father (father inlaw) remain a mahram for the wife? b) does the wife still have to go and visit her father in law? Or does she no longer have any relation with her inlaws? c) is it appropriate for the wife to say that that is my 'father inlaw' and 'mother inlaw'?

Q: If a husband made an unnecessary restriction on his wife to meet her relatives because of jealousy, is it permissible for the wife to agree to this decision. In other words, she does not want to stop meeting with her relatives (because this is not part of deen, just because of his jealousy)?

Q: How should a wife treat her husband's parents? Please guide.

Q: Is it allowed to call one's mother in-law and father in-law as 'ammi' and 'abu'?

Q: Is it mandatory for a wife to serve her in laws like doing their household work? Is it a right of a wife to live separate from her in laws? What are the teachings of Islam?

Q: I am 32 years old and I am married with 2 kids. My father in law and mother in law are divorced. After the divorce my  father in law remarried. His new wife was always kind and caring towards myself and my kids. Now that my father in laws wife and me get along, my own mother in law has an issue about it and she hates that my father in law's wife is a good person. She doesn't want myself and my kids to be good with her. I want to know if its wrong to be good with her or if its right to listen to my mother in law?

Q: Does the daughter in law have to observe purdah in the presence of the father-in-law after her husband has died? (Meaning the father-in-law was the father of her late husband)?