Heed this next statement: No matter how sharp a mind you may have, no one can remember everything. Therefore, don't beat yourself up trying. Learning to write things down helps.
Find and use a special talent: Everyone
has some type of special talent. Be open to trying different things. You could find a hidden talent that you are not aware of. Do you learn from sound and voice pitch or from pictures?
Maintain a regular exercise program: It
will help to relieve tension. Relieving tension alone can improve your thought patterns. The less tension that you have the sharper your mind will become. You will begin to develop a better attitude as time goes on. You should find a program that works for you.
Write through self-expression: Writing poetry can be relaxing plus it is a great way to express yourself. Not everyone writes poetry so find your own mode of self expression. Try sewing, playing a musical instrument, or gardening. Get a Diary and express your thoughts.