You know you’re getting older because you are aging, and because you are aging, surely you have noticed how difficult it can be to force yourself out of bed each morning. Do not mistake this feeling of lethargy as some sort of warning sign from your body. This new age tendency to portray fatigue as some kind of physical ailment is a bunch of hogwash. Low iron levels are a myth, and any sweat producing exercise can lead to a severe imbalance in your body’s humors.