Don’t take it off or put it on over a tile floor. Tile floors are notorious for busting AWs, including even Ultras. Get AppleCare. For a few dollars a month you’ll only curse and rant about your busted watch, vs curse and rant and need to buy a new watch to replace it. These are relatively tough, but can still be broken. It also extends the basic warranty, so if it fails without your intervention, it gets fixed for free.