Cooking is as much science as it is an art and while it's not always an exact science, there are aspects of cooking that we can get exact due to the wonderful tools at our disposal. We no longer have to guess temperature based on touch.
Why folks are still doing that.. I'll never know . Not judging.. just trying to understand =)
Here's some of my favorite thermometers.. ones that I use in my everyday cooking and these help me to ensure that the meat is not only safe to eat but perfectly done each and every time I cook.