Hidayatullah.com--If the human brain is almost the same time receive a lot of information or commands at once, so maybe one of them will be forgotten. In order to remember well, the brain needs a break 20 minutes before receiving other information.
The human brain, especially the males are not designed for multitasking or doing several things at the same time. Since when is processing the previous information, the brain is difficult to receive information or order new so prone to forget.