For me, it's a bidet toilet seat. I bought one that didn't really fit as well as I hoped, so now I am shopping for a v2 based on experience. I don't want to live without one going forward. That's for sure.
I assume you meant to reply to the bidet comment. I assure you, you get used to it. Frankly it feels like my days don’t truly start until I get a blast of cold water up the ass.