Dates and Anniversaries, or, Fun With Math!

Two months ago, I was married for a year.
Two years ago, I was married for four years.
Hmmm....

I am twenty-six. Ten years ago, I was sixteen.
I am celebrating my ten-year anniversary of knowing everything.

Six years ago, it was the year 2000. I was twenty.
That was the year I ceased to know everything.

Today is Spring.