It depends on your planets, energies, and attitude. There are strongly sexual people and people with lower pulse.
There is no "how often" rule. Do you feel ok once a month? Or is it too low ? Try to listen yourself.
Also, I often read on here about not masturbating too much. OK, nothing in excess - everything balanced - should be followed.
But there is no danger in intense sexual activity, if it's your way to be. We should not instill any fear of sex here.