• blood or excess protein in your urine, which may be microscopic and show up in urine tests.
• high blood pressure.
• abdominal pain.
• frequent nosebleeds.
The chemical substance is a nutrient
Experiencing less stress has to be the answer. Stress has to do with your emotions and practicing abstinence causes less stress. The female doesn't have to be scared because she might be pregnant, etc. Abstinence allows one to focus on goals etc. not on the goals of others.