Re: Taking days off adderall???
Amphetamine tolerance is tricky, as it's very specific to the individual, we all develop tolerance at different rates, while some even become sensitized.
To my knowledge, there is no hard and fast system for avoiding tolerance, though taking days off is often given as an option. I, myself, have found that taking my Adderall consistently offers me more effect than missing days.
Are you on the Adderall only because of the Subutex? If so, then I would definitely treat the Adderall like caffeine and use it only when required. Unfortunately, many factors can affect the overall effect of Adderall, including sufficient sleep, and other drugs, like Klonopin and Subutex, that cause opposite effects.
Also, are you certain that the loss of libido is the fault of the Adderall? Decreased libido is a listed side effect of both Subutex and Klonopin, but would be considered a paradoxical effect for Adderall.