Life is NOW

So I'm currently reading Eat,Pray,Love by Elizabeth Gilbert and I am realizing you can't live your life in regret or guilt...you just can't.
You only get one chance at this thing. And I'm so scared that I'll be 60 and I'll come to the realization that I didn't do everything I wanted to because of certain circumstances.
I'm 23 now. I know to some people that's young, but to ME it's almost a quarter of a century OLD! Nearly a third of my life is OVER! .... I know, I know, how MORBID of me...but sometimes that's how I think.
And I believe that the only way for me to stop thinking like this is start really living my life...
But, of course, there's a difference in TYPING and DOING!
Just Do It. Nike had it right the first time :)