The toddler must say no in order to find out who she is. The adolescent says no to assert who she is not.
Adolescence is the conjugator of childhood and adulthood.
I progressed through so many different styles of music through my teen years...
I try to be a hard boiled sometimes. My kids see right through it. I'm acting. It's always 'When I say you'll be back at 11 that means 11 not 11.15. Do you hear me!?' Then 'Yeah Dad.'