Self-check the hardness of the erection
Self-check the hardness of the erection What is erection hardness index EHS? In the United States, a self-diagnostic “Erection Hardness Score (EHS)” has been proposed. This can be used to judge the grade of hardness with 5 scores from 0 to 4, and it is an easy-to-understand index as a standard for simple diagnosis and […]