With each passing birthday, Mr. Y feels increasingly frail. His bones have grown fragile, his strength has slipped, and his muscles have given way to fat. His sex drive has waned, and his once-keen mind seems perpetually fogged. He often feels gloomy. Vigor has turned to fatigue, zest to melancholy. In body and in mind, he has grown old. While advanced age naturally brings certain declines, a growing number of men who might identify with the fictive Mr. Y are looking to hormone-replacement therapy to stave off the advance of the characteristic signs. Specifically, they're taking prescribed, synthetic forms of testosterone.
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