Let me give you a little secret to life. You could say that it's the key to life. Be in the moment. That's it. If you can do that, then you can succeed in everything. Once you let go of what could be, you accept what is. That's important if you're ever going to live a happy life. Or else you end up sad at home, wishing you had a party to go to. Then you're sad at a party, wishing you could be home. The answer isn't anywhere other than in yourself.
So many people can relate to this cartoon. You're miserable at work thinking about being home, or being on vacation. In reality though you'll just be miserable there too. It's like the image with the sports car that we saw earlier. We're chasing happiness everywhere else except for within ourselves.