How old you feel psychologically is very impactful to how you age physically. I spent my 20s and half my 30s feeling like I was in my 50s due to stress, so I’m very grateful to feel like I’m turning 30 on my 40th birthday.
The age you feel means more than your actual birthdate
Most people feel younger or older than they really are – and this 'subjective age' has a big effect on their physical and mental health.
bbc.com