You have described the symptoms more than once. Fatigue that does not improve with sleep. A flat mood that is hard to explain. No motivation, no drive, no real interest in things that used to matter. Your libido is gone. You are losing muscle no matter how consistently you exercise. Your labs come back normal. You are told it might be stress, perimenopause, or just the season of life you are in. Sometimes an antidepressant is offered. What almost no one checks is testosterone