Earlier quoted context omitted.
I’ve known two people who have had kidney stones and I don’t think either of them would have been able to withstand the pain from the stone enough to go on a rollercoaster. Then again, maybe the promise of ending the pain will give enough motivation to grit it out.
I don't find they, at least the three I've passed, as particularly painful. It's more like an intense discomfort. I find myself in a cycle of pacing, laying down and sitting (mostly on the toilet, you feel like you have to pee constantly). It's like discomfort limbo.
Several have described it as the worst experience of their life, including one who has it recur a couple of times per year.