What happens if some guy hits the air/wall 5000 times every day ?
Assuming you throw every punch and every kick at full strength and trying to improve technique over time.
You get arthritis.
You also get broken bones, if you don't work up to that physical stress over time.
>>841649
Not a great deal because you don't know what you're doing wrong.
>>841649
you get strong as frick and all the sweet babes think you're hot and smart and funny and cool