The secret is...
Make it FUN!
I know, too simple right? Nope. It really is that simple. Studies show that if you don't enjoy it then you will grow to despise it and quit. Plus the stress hormones released from the act of forcing yourself to go can lead to weight gain. Forcing yourself to go to the gym if you don't enjoy can literally have the opposite effect.
So what do we do to make it fun? After years of trying to figure it out I've come up with a few tips: