It isn't so simple for middle-aged men. Lack of testosterone is no excuse for those who leave their families for young bimbos, panic about their career failures, and wallow in morbid self-pity. Many abandoned wives never believed it for a moment. Their absconding husbands, as they have always known, are suffering (if that is the word) from too much testosterone, not too little.
It's official. Testosterone patches won't cure a male mid-life crisis. Oestrogen patches - also known as HRT - help many women sail through and past the menopause unencumbered by the mood swings, exhaustion and ill-health that lack of oestrogen can cause.