wsjun

It depends upon your age and body constitution. 30 or less and strong enough, one time a day is no problem.

aus820

i wonder what you are doing in your daytime? only sleeping or working hard

bagame

3 times per week i guess? for me thats the case. it may vary from time to time. different people hav different views in a certain stage of life, i guess.

bupt031451

two or three times is good for your health.

malling

if you don't feel uncomfortable

Wappler

At this time, i try two times per week
Before when i was in college, I do self-abuse nearly one day one time.
Surely it is harmful to your health. We are Chinese, we should trust our Chinese traditional medicine, cause they had been
tested thousands of years.

zenyboss

i do it when i need it, it's simple hehehe

3687750

i guess 3!4times a week is good

xiongshidz

How do we know ? just do it !

yourtime

Maybe 2 or 3 times a week is good for your health.