Success is reaching your goals, so to different people Success looks very different. If you have clearly defined goals, your success can be a lot more than if you didn't. It depends on your situation as well. If you goal is We can't judge another person's success to our standard. Anyone can set goals and achieve them, that is success.
To me happiness is loving what you do and who you're with on a regular basis.
As for Free, I can't describe that in words. But I do have this picture which seems to define it pretty well for me.
How do you define these words?