you're pretty good at breathing and pooping, you can probably do it in your sleep.
The 10,000 hour mark is mostly arbitrary. The key is "purposeful practice". Meaning, Everytime you practice life you need to push yourself to improve on the parts that will accelerate you to the next level - mastering the basics and purposefully practicing to progress on that.
Relax, death awaits us all. Work your ass off, or don't. The end result is the same.
That's a lot of math to do in the shower.
It isn't "after 10k hours you're a professional", it's "everyone who is a professional has had at least 10k hours of practice".
The 10,000 hour mark is mostly more Malcolm Gladwell sciencey-sounding nonsense.