LogFAQs > #966561329

It has less to do with how old a person is and more to do with changes in their outlook. Middle age general occurs when a person starts looking forward to things less, and instead spends more time regretting past major decisions (partners, career paths) and/or thinking about their end of life. This onset of pessimism and regret often begets what is commonly referred to as the "mid-life crisis" where a person does something rash in an effort to drastically alter their life trajectory.

For most people, this happens after they've done some real adult living.