“ There are times when the mind is dealt such a blow it hides itself in insanity. While this may not seem beneficial, it is. There are times when reality is nothing but pain, and to escape that pain the mind must leave reality behind. ”
Source: The Name of the Wind
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These loads (of past) are too heavy for the mind to carry, so we must restrict the amount of the load. The past is gone. Why continue to carry it in the mind? 
It's funny how humans can wrap their mind around things and fit them into their version of reality. 
Learning to live with the reality is the most important dimension. If you stop distorting things in your mind and just see everything the way it is, mukti is just one step away. You don't have to do anything. Just time will mature you into another place. 
Those who restrain the external organs of action, while continuing to dwell on sense objects in the mind, certainly delude themselves and are to be called hypocrites. 
And the day came when the risk to remain tight in a bud was more painful than the risk it took to blossom. 
If you are distressed by anything external, the pain is not due to the thing itself, but to your estimate of it; and this you have the power to revoke at any moment.