Testosterone is not responsible for libido alone. Especially for women, desire stems from a much more complicated set of hormonal and emotional interactions. But for men, while testosterone is not the whole story, it does play a leading role and the modern lifestyle may be your T’s worst enemy.
There is a new syndrome called Irritable Male Syndrome, or IMS, that's due to testosterone deficiency. It goes beyond low libido, and includes emotional withdrawal, lack of motivation, aggression, personality changes, and anxiety. It can also present as self-destructive behaviors like gambling, alcoholism and workaholism.
If this sounds like you or your man, you're not alone. Low testosterone affects at least 13.8 million men, with a significant number of those being men in their 30s.