The best long term conditions are to realize that everything material can be taken away from you, everything you described, however your own acquired knowledge cannot and its this which will carry you through all the trials and tribulations. Essentially, in the classical Stoic sense, you cannot control all the occasions that happen to you, only your reaction to them, and its with this knowledge you have accumulated, this ability to reason, from which you will realize and gain strength to carry on.
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