If you're not pushing your own technique to its own limits with the risk that it might just crumble at any moment, then you're not really doing your job.
If you're injured, it changes the way you move. If you're injured, it changes the way you talk.
Even though there's these songs and whoever the hell put it in the internet, if there's any good riffs in them, we raped the songs and put in the new ones.