http://ImproveYourConcentrationNow.com
Watch a clock with a second hand from where you are sitting. Focus on the second hand and only the second hand. Block out all other thoughts. You should be able to think of the second hand for a few minutes. Concentrating on something as uninteresting as a second hand isn't easy but it is a good test of concentration.
Very good tips, you should make them all into one summarized video .
Killor91 2 years ago 2