Parents are the most important people to children, but not always the most loved. Generally I would suggest you take things seriously when people who are important to you talk, but there is something you shouldn't take from them, and that is advice on what paths to take in life.
Parents want what's good for you, but not whats best for you. Sometimes the path to what is best for you is not good. Sometime taking the pain and not the nicest path is the route to self realization and success.
Learn and unlearn.
Learn and unlearn.