Should you put a ring on it? I tried the Oura 3 for one month to find out.

Dear reader: I hope it isn't too sudden, or embarrassing, if I kneel before you and offer this ring. And that you don't mind if I also offer a long list of caveats before you choose whether to accept it. After all, it's best to start any new relationship in a spirit of full disclosure.

For a long-term relationship is what you...