I only turn on my machine when I'm using it. My only real metric is how long my machine manages to boot into an OS. So far, no drives have failed, the PC manage

I only turn on my machine when I'm using it. My only real metric is how long my machine manages to boot into an OS. So far, no drives have failed, the PC manages to boot and has done for 10 years now. Obviously when that changes, I'll just buy a new laptop.