Anybody who's ever had a job has had at least a few minutes of doubt about that job.

And if we're really honest with ourselves, the career goals we had in our 20s aren't always what we want to do with the rest of our lives when we get to be in our 30s and 40s.

Surprisingly, most people don't change careers because they want to make more money; they change jobs because they're just not challenged and fulfilled with the job they've held for a long time.

So what do you do when you find yourself in this situation?

First, ask yourself if it's really the job that's at fault, or if it's you.

Are you bored because you don't have enough to do, and the job has become drudgery? How about asking your boss for a few more job duties. Offer to take on that project that nobody else wants to tackle, if you think you can do it.

Is it your job location? Are you tired of going to the same building and seeing the same old people every day. Maybe it's time to ask for a transfer, if your company has other locations. Sometimes a change of scenery is just what you need.

But if it's neither of these things, and you just want to do something different, it's never too late to start something new.

Even if you don't have actual job experience in a specific occupation, if you've been working for any period of time you've amassed work talents that can be translated into another type of job.

For example, do you work in a restaurant serving tables? If you do, you know all too well what kinds of food certain people tend to order, how to keep the glasses full, and how to deliver service with a smile.

Have you ever thought about working for a caterer? Not waiting tables so much, but in working with potential clients to schedule and book parties and menus for them?

Are you a receptionist? If you are, you have valuable people skills that can be put to work in sales or retail management, with some additional business training.

Truth is, we all have skills that other employers are out there looking for. You might start by using them in an entry-level position, and you might not even make as much money as you do now, but as your experience grows, so will your paycheck.

Try this. Go to a job search site, such as www.monster.com or www.indeed.com and type in a search term that matches one of your skills. Do you like to write? Type in writer and hit return. You'll be amazed by the number of jobs that pop up.

Life is too short to spend working at job you don't like. So why not try something new?