Question: how to have a healthy relationship with mother in law?
Answer: Always remain polite. Under no circumstances should you ever be rude or act in a snide way regardless how you are feeling that day. ... 
Don't forget your manners. ... 
Speak nicely about her son. ... 
Compliment her. ... 
Ask for her advice in life. ... 
Bring gifts once in a while. ... 
Always offer help. ... 
Be confident.