Here’s a rundown of when you hit your peak in certain areas of your life…
Creativity – 25
Learning a language – 8
Sex – 28 to 32
Salary – 48
Being a best selling author – 50
Running a marathon – 28
Strength – 25
Losing interest in "cool" popular music – 33
Having the most friends – 25
General happiness – 38
Marrying and not getting a divorce – 28 to 32 (San Francisco Chronicle)