Working out is not everyone's favorite thing to do. I definitely understand that starting out, it can be tough to get motivated. However, once you do it for about 3 days, you'll start getting into a routine and it won't be bad at all. Even if it is something as simple as push-ups and crunches every morning, that feeling of being sore the next day is a great feeling and you'll soon learn to love it.
Also, once you start seeing the results you're looking for, that just motivates you even more to go and push your body. Whether it's weight lose, toning, or building muscle, you are bound to feel much better after doing this for a few weeks.
So get to it!