The real challenge is that you choose in every moment which one of these two choices you want to experience and demonstrate. The choice is not imposed on you. You are free to choose Heaven and perfect freedom right here and now, regardless of circumstances.
A Course In Miracles teaches exactly this: that the power of decision is yours. There is no exception to this idea. There is nothing opposing your decision in each and every moment, and nothing that can come in between what you decide and what you therefore experience. Accept then your true responsibility for your world and mind.
"No one can suffer loss unless it be his own decision. No one suffers pain except his choice elects this state for him. No one can grieve nor fear nor think him sick unless these are the outcomes that he wants. And no one dies without his own consent. Nothing occurs but represents your wish, and nothing is omitted that you choose. Here is your world, complete in all details. Here is its whole reality for you. And it is only here salvation is.
You may believe that this position is extreme, and too inclusive to be true. Yet can truth have exceptions? If you have the gift of everything, can loss be real? Can pain be part of peace, or grief of joy? Can fear and sickness enter in a mind where love and perfect holiness abide? Truth must be all-inclusive, if it be the truth at all. Accept no opposites and no exceptions, for to do so is to contradict the truth entirely." (Lesson 152, ACIM)