The subconscious does not reason, nor can it tell the difference between the past, present nor future. It is always in the present.
A trauma that happened many years ago can still remain hidden in the subconscious as if it were still happening. When accumulated many subconscious conflicts can weigh us down and when released its possible to actually feel physically lighter.
Long term subconscious traumas are behind mental and physical illness. Every emotion has a physical response in the body and brain.It is stored in form of cellular memory.With learning of power of subconscious mind , you can learn to store only positive thoughts and bring abundance in life.