When you start playing music when you're quite young, it's easy to stay young. And then you're touring, and you see people who've been on the road for 10 or 15 years and they just haven't grown up at all.
The tricky thing becomes: Do you know yourself well enough to then portray that on screen? And for me, I find that really hard. I'd rather hide behind accents and funny walks.
Once you begin reviewing judgment calls, which in basketball there are many, you put yourself on a very slippery slope in terms of what could be reviewed, and ultimately the number of reviews that could take place that would make it unwieldy.