Males get very aroused around their partner they find sexually attractive and the male sex hormone known as testoterone is going crazy. If you want a more specific answer I'd reccomend researching the male anatomy.
Answer:
Ensure a nutritious diet and adequate calcium intake.
Avoid under-nutrition, particularly the effects of severe weight-loss diets and eating disorders.
Maintain an adequate supply of vitamin D.
Participate in regular weight-bearing activity.
Avoid smoking and second-hand smoking.
Avoid heavy drinking.
Explanation:
FDA has developed these questions and answers (Q & A’s) to help all of consumers, health care practitioners, and the general public understand FDA’s actions regarding weight loss products contaminated with various prescription drugs and chemicals. Many of these products are marketed as dietary supplements.