What did Jesus mean by ‘the days of pain will be shortened’ for believers?

The way I see it, is that if you use the letter X to represent every large scale unit of trauma or fear. Your suffering might normally clear one unit of X, or unconscious trauma or fear an hour, but God can mass charge your cleansing, so you remove, 8,000,000 X products of fear and trauma an hour, instead of one X a day. This way, a period of suffering that was supposed to last for 8,000 years, could be reduced to decades, years, days, or hours. God helps his children cheat the system by shortening their years of punishment and healing, because nobody can survive, 8,000 years of suffering.

What did Jesus mean by ‘the days of pain will be shortened’ for believers?
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