Why do we need to respect and love our parents?

Why do people tell us teens to respect, obey, and love our parents as if our parents are our real family?

Other teens are my real family because they are like me. They care more for me than my parents so I listen to and love other teens and not my parents.
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By the way, I am a 17 year old boy who loves watching sports. After I graduate highschool, I want to separate from my parents as soon as possible. My girlfriend and my friends also want to separate from their parents as soon as they finish highschool. Also, I hate romance movie.
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Mistake: Also, I hate romance movie Correction: Also, I hate romance movies.
Why do we need to respect and love our parents?
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