I think it’s a combination of kratom quality just getting worse and my tolerance going up. I also used tramadol for a few weeks, and oxycodone a few times so that also increased my tolerance. https://www.reddit.com/r/kratom/comments/5k6lgj/merry_christmas_brother_and_sisters_heres_a_peak/dbm7797/?utm_source=share&utm_medium=ios_app&utm_name=iossmf&context=3