November 20, 1933 – Adopt a regular system of exercises to keep your muscles in condition. A few minutes in the morning or late afternoon is worth more than an hour now and then. You will be surprised how refreshed and exhilarated you will feel after it. Deep breathing before an open window will take the tight knots out of you. Try this one: Inhale deeply and retain the air a few seconds. Pucker the lips for whistling and exhale a little. Stop and exhale the rest of the air.