They rebell and they blame. They suspect most adults aren't very honest and they test their reactions to prove it. Explore some of the following thoughts. Find out where the anger is coming from. Ignore it until it become a problem for you.
All problems are real, some are just bigger than others.
If it is a big problem get professional help. If they try to annilate you, agree with what is true but do not accept blame for what isn't. You think you know everything. I can understand why you hate me right now. I find your behavior unacceptable, too.