...and you know what, I'm not even going to condemn that choice. If you're doing something and you know it's time to stop, do that and embrace it. That's cool.
But if you're doing something not-unhealthy that you DON'T want to stop, and you feel like you HAVE to because of some circumstance, well, I'm telling you, you get to choose.
Quitting, persevering... it's all a choice, just like everything else.