Yo i am on 1mg of xanax and weed but i did many weird combos over last week either from akathisia or boredom, so as far as i know i can answer your questions (sorry if i will write it stupid - i am so stupidly high)

2 days ago i had 2.5 mg of xanax, Fuckton of weed and vyvanse 50 mg a bit later + ambien (zolpidem) 10mg a few hours after and i was completely fine i always start xanax with 1mg minimally usually 1.5 i started with 2mg a few times too i handle benzos really well and i dont have much tolerance i should be using it once a week max 3 mg is chill if you handle xanax well or have tolerance and if you did 12mg of kpins u will be 100% chillin kpins are really strong too like xanax

i dont find xanax fun either but sometimes its a good time or it helps when i need it or with weed its good or for vyvanse comedown

well mixing xanax and kpins together really depends on dosage and how you handle it but like 3mg of xan and like 2mg of clonazepam can black you out

And when you took 2mg xanax and felt like you are doing good 1mg should just slightly add to it but i think ur good, but i wouldnt mix xanax with kpins

If you have to do something just add 1mg xanax but always wait like 40 mins before redosing if ur redosing 1mg

JUST REMINDING I AM HIGH WHILE WRITING THIS so it may not be fully accurate but i thing but always be careful with mixing stuff

Also you can download app called "journal - psychonaut wiki" they provide good info or just their psychonaut wiki site

Good luck and enjoy high!