One really good way to make you disciplined with doing your workouts is to have someone tell you to do it.
This is a really good way to work out to do and it give you a random exercise as you just pick it out of a cup so it is always going to be new.
One thing about exercising is that it can get boring, doing this helps you pick what to do and gives you variety.
See how you can get exercise inspiration here...
Image credit: loudista