Reading, life, friends, frends (you know who you are), beatboxing (check out WING and Taras), music in general, archery, ice skating, and lots of other things!
This is a rhetorical question sir. The answer is always yes. I have been seen eating packets of salt. Then again, I also eat packets of mayonnaise, and ketchup, and really anything but mustard.
And if I’m feeling really adventurous I also eat what’s inside the packet too!