Which are the boundaries the outside world established? Which ones we created ourselves?
If the existing reality was formed with stable three-dimensional world perception and the human powers are so comprehensive, then why should we lock out the memories?
Why should we first obtain information, accumulate the experience, learn the lessons, and then lose it all?
Is it in order to have no tips? The large variety of options for situations in life renders this argument mute.
Is it due to the severity of the events experienced? Then what about those we endure throughout the life?
There is another option.
If all the world’s religions, spiritual practices and ways of self-improvement pursue the main goal of self-actualization, gaining integrity and achieving internal harmony, i.e. help to gain the awareness of something bigger than the material world in every manner one can think of, does not this mean that the mankind has lost the connection with the «other side» through one’s own fault?