The best way to find out, if you can stand the withdrawal is to actually become addicted to it and then stop. Your attitude to addiction is kinda ironic, because you are overthinking issues, calculate possible scenarios, before the problems even arise. In that way you get all the negative consequences of a substance addiction, before it even started. The problem with a substance addiction is the forced schedule, i.e. loss of freedom. Kratom is a very kind prison guard, nevertheless the bars are massive.