Male libido is influenced by both biological and psychosocial factors. Specifically, the following aspects affect male sexual desire:

(1) Age and Physical Constitution: Men in the late stages of puberty, when sexual maturity is reached, experience the strongest libido, which gradually declines thereafter. Individuals with stronger physical constitutions tend to have higher libido, while those with weaker constitutions have lower libido.

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(2) Disease Factors: Conditions affecting the reproductive organs, such as various sexually transmitted diseases, can directly impact an individual's libido. Similarly, many diseases in other parts of the body, such as cirrhosis, can significantly affect a patient's sexual desire. Therefore, a healthy body is one of the essential prerequisites for normal libido.

(3) Medication Factors: Many medications can influence libido. For example, certain sedatives and antihypertensive drugs may reduce sexual desire, while others, such as Viagra, can enhance it.

(4) Fatigue Factors: In modern society, due to intense competition and increasing pressures from work and life, many individuals, particularly men, are overextending their health and living in a state of suboptimal health due to excessive fatigue. This directly diminishes their libido. The issues of excessive fatigue and suboptimal health require significant societal attention.

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(5) Psychosocial Factors: Numerous psychosocial factors can affect male libido. Examples include setbacks at work and deteriorating interpersonal relationships. Additionally, significant emotional fluctuations, such as intense grief, joy, shock, or anger, can also influence sexual desire.