Just know what is happening in your mind - not happy or sad about it, not attached. If you suffer see it, know it, and be empty. It's like a letter - you have to open it before you can know what's in it.
I ask one thing only: I ask for the right to hope, to suffer as I do. But if even that cannot be, command me to disappear, and I disappear. You shall not see me if my presence is distasteful to you.
I think one of the defining moments of adulthood is the realization that nobody's going to take care of you. That you have to do the heavy lifting while you're here. And when you don't, well, you suffer the consequences.
But what if pleasure and pain should be so closely connected that he who wants the greatest possible amount of the one must also have the greatest possible amount of the other, that he who wants to experience the "heavenly high jubilation," must also be ready to be "sorrowful unto death"?
Most successes are unhappy. That's why they are successes - they have to reassure themselves about themselves by achieving something that the world will notice.
Those who recognize the existence of suffering, its cause, its remedy, and its cessation, have fathomed the four noble truths. They will walk in the right path.