When you wake up each morning, you can choose to be happy or choose to be sad. Unless some terrible catastrophe has occurred the night before, it is pretty much up to you. Tomorrow morning, when the sun shines through your window, choose to make it a happy day.
As far as many statistical series that are related to activities of mankind are concerned, the date that divides human history into two equal parts is well within living memory. The world of today is as different from the world I was born in as that world was from Julius Caesar s. I was born in the middle of human history, to date, roughly. Almost as much has happened since I was born as happened before.