I've been working with a personal trainer for a little over a year now.  I wish I could say that I've lost 40 pounds and dropped 2 clothes sizes, but that isn't true.  I have, however, increased my strength and stamina significantly.  For the first time in my life, I can run a mile without stopping and do a pushup.  (We're still working on the pull-ups.)

Since a lot of people list "getting in shape" as a desired goal, I thought I'd pass on some of what I've learned over the last year:

• Accountability and encouragement are essential.  That's why I have a trainer.  If you can't find or can't afford a trainer, try working out with a friend.
• There are a million excuses to skip exercising — and you'll want to use all of them.  You have to make yourself do it.
• Consistency is absolutely crucial.  Exercising super hard once every couple of weeks is nowhere near as effective as regular exercise.  And working out on a regular schedule will help make it part of your routine.
• Look for a balance between strength and cardio.  You want strong muscles AND a strong heart.
• If you've been inactive for a while, see your doctor before starting an exercise program.  And really consider even a few sessions with a trainer to learn what and how much to do so that you avoid injury.
• Make sure you have decent equipment: proper shoes, lifting gloves, a water bottle, etc.
• Drink lots of water when you exercise.  Your body will thank you for it.
• Learn the differnce between good pain and bad pain.  Exercise is supposed to make you uncomfortable.  If you aren't uncomfortable, you aren't working hard enough.  You need to push past the discomfort and keep going. (This is the hardest thing for me.)  On the other hand, bad pain signals that something in your form is wrong and you could injure yourself.  That means you need to stop and correct before you do any damage.

Do you have any workout tips to share?