I always just thought it was down to a unit of time relative to your age. So as a 1 year old a year represent your entire life, so seems really long. As a 40 ye

I always just thought it was down to a unit of time relative to your age. So as a 1 year old a year represent your entire life, so seems really long. As a 40 year old a year is just a fraction of your life, so seems much less significant.