Y h?c th?c t? ?ã ch?ng minh blue balls là m?t Hello?n t??ng có th?t v? m?t sinh h?c, ch? không ph?i m?t s? l?y c?.This is what triggers an erection. Post ejaculation, the blood vessels that causes a swollen penis and testicles return to their regular size. Even so, through the issue of blue balls, the blood vessels stay expanded as a consequenc