How Do You Determine How Much Volume Do You Give?

Wiim with flex is not so expensive as it used to be. Moste people o afford to hire me on line, normally they can afford to get a flex. And i feell it's like having a second coach. If i can't be there every day, the flex is like my eye. So it tells, it'll tell them to stop, because i'll set no limits on how slow they can get. Yo, youll fegent. Also, for a 15 year old cit, how do you determine how much volume to give? Like thir they're presumably not anywhere near there their actual limits of their of their real wonder at mac's strength. It cale