Adolescence: "generally occurring during the period from puberty to legal adulthood...The period of adolescence is most closely associated with the teenage years, although its physical, psychological and cultural expressions can begin earlier and end later..." .. that said, your figures are still accurate :)
The only difference I see is that people pretend 45-50 is when "mid-life" happens. No, you're not going to live to be 100.
35-37 is mid-life. Accept it.