The force is within you.
Explanation:
Nobody can’t tell you what you can and what you can’t. All the happiness, and all unhappiness comes from you.
You are the only who can make the things to change, you are the only who knows what you need and what you want from your life. All the other things are less important. More important for you is to realize that everything that matters for you is related on how you see the world and how you interpret all that is happening around you or related to you.