When couples kiss, try not to touch these two major parts as much as possible. For the sake of the health of your partner, it's better to know early and good morning
References:[1] Kissing with raised feet and sweet kisses [J]. Health for All, 2011 (11): 51[2] Small Card, Panorama...
How to determine if the partner has sexually transmitted diseases before sexual intercourse? Two methods that both men and women should know
References:[1] Edited by Xu Jinhua; Editor in Chief Wu Shaozhen. How to prevent sexually transmitted diseases Famous Doctors Talk to You About Diseases Series, Second Edition of Sexually Transmitted Diseases [M]...