Einstein caricatured this matter as follows:
"Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. THAT'S relativity."
I never did understand it fully.. until now. Relativity applies to everything around us. Your perspective on things. To start with you may prefer a bike instead of a walk, a car instead of a bike, a train instead of a car, a plane instead of a train.
So all we have to do is take a step back, see a bigger picture, see what you can compare with, one higher and the other lower.. So no matter how depressed you are, how angry,disappointed or sick you are, you can always look above the situation! I bet you'll be satisfied wherever you are.. I have tried and it works ALL the time.
A friend had commented envying a posh car that zipped past them on the road to my bro.. and Pravee had replied, saying that he always looked at the left side of the road, where people with no roof over their head sleep on pavement.. THAT's relative outlook!
A thousand years before Thee are like 12 hours or like 4 hours. Psalms 90:4 http://www.bible-quotes-science-info.com/art/einstein-theory-relativity.htm