I am pretty paranoid about H&S at home. I don't use a grinder without a guard, never let one go or put it down with the disc still spinning, wear goggles and gloves; that kind of thing. Don't get me wrong, I'll climb a tree with my chainsaw, or go up on the garage roof to re-fix a slipped slate, but I'll not do stuff like that without either my phone in my pocket or someone at home. Fire is what worries me the most. Especially as my garage is currently a complete shithole. I've just bought a full-size Chubb powder extinguisher to live out there. Watching/reading some people's online builds with them working in flip flops and suchlike makes me cringe.
My worst worry about dying is my wife selling my stuff for what I told her it cost...