usually once in the morning and once in the evening, but if I'm juiced up, and the test goggles are kickin, it's more like whenever anything with 2 legs and tits walks by...
I do it every day at minimum - and several times a day on weekends. I agree with the above post, regardless of how much sex you are getting, masturbation is much different!
I used to jerk off three times a day everyday. Now that I have sex everynight, the thought of jerking off never crosses my mind, unless she is away for a night.