Since some of these responses are "life lessons" then mine would be, whatever you wanted to do, do it NOW! If you think, I'm going to take this job and then someday I'm going to do X, there's a high chance you'll never do X, whatever X is. You'll get into a groove and look up and see 10-15-20 year of your life disappeared. Your lifestyle changed. It's more expensive or you have kids or something that will prevent you from doing X. You might also have changed as a person and just not want to do X anymore even though you still feel X was your dream.

The point is, don't delude yourself into thinking you'll someday do X if you wait.