I wouldn’t say anything is impossible. I think that everything is possible as long as you put your mind to it and put the work and time into it.
It didn’t matter what he had going on off the court or if he was sick or this or that, he never used an excuse. He came out every single night on the court and did what he had to do to get his job done. That’s what champions do: It doesn’t matter what else is going on. When you walk in to your arena, whatever you excel at, you’re there to take care of the job that you have to do.