i also tried cold turkey for near a month in the hope it would lower my tolerance but sadly no such luck, it did however give me some spare meds with which to try the higher dose
My understanding is that tolerance is essentially inevitable when you're taking stimulants. I've made a point of checking in with a psychiatrist on a monthly basis so they can help me measure it semi-objectively and adjust if necessary. When resistance does start to develop, a psychiatrist will also have plenty of options for managing it; for example, I think that some people rotate between amphetamine salts, methylphenidate, and other stimulants over the course of several years. They'll also be able to help you figure out which other courses of action would be most helpful, figuring out what issues are actually causing you the most problems and how to address those effectively and so on.
TL;DR There are specialists for "I think my medication isn't working any more" and I'd strongly recommend talking to one, both for this specific problem and on an ongoing basis so you're not forced to try to observe your head from the inside.
Honestly, I think therapy had the least effect except realization what was wrong. Drugs I think helped the most.. lately it feels like they're not as good though, or I feel like I'm in a funk. I don't know if that's just life or being overworked or just I need a dose change. Maybe if I cut it cold turkey a week, then get back on it'd reboot or something.
TLDR: I just feel I'm getting off track a lot more lately than I was the previous 14 months. Not sure what I should do, maybe go back to therapy? Maybe focus more on mindfulness/stoicism? Up my dose of Vyvanse? Go back to the gym? All the above?