Granted, but you run into your future self while doing so and find that you've gone and gotten a really terrible haircut. The terrible haircut is now a fixed event. There is nothing you can do about it now. You are doomed to have the terrible haircut. You cry.
I wish the words in the previous poster's signature weren't so bright.
In the beginning, the universe was created. This has made a lot of people very angry and been widely regarded as a bad move. -Douglas Adams
I wonder if people felt the freedom in our culture to love louder, if they'd be quicker to say "I miss you" when the absence of someone is felt instead of just thinking it. — soundofmind