With a rich pilot, you'll also find out you can often cold start without the choke. This sounds like a good idea, but not necessarily because if it's so rich you don't need the choke, there goes some throttle response like Banchetta mentioned and/or the loading up and fouling.
I usually think of it like this: If you DO NOT need to choke to cold start, it might be rich, and if you DO need the choke to warm start, it is probably a little lean. Having to use the choke is normal and it can help you figure out where you need to be sometimes.
Above all, trial and error. Just like women, they all like it different ways.....