I like it because... I guess because in a slow game you have all these ideas and variations you keep bottled up inside your head. In bullet it's like stream of consciousness. You can just let the moves flow out of you.
It's also gratifying when... like if I see a 4 move pattern and go for it, and my opponent instantly blocks it. It's like you're speaking the same language. You're posing each other problems that are on your level, not too hard or too easy (if the skill levels are near).
I like bullet because it is fast-paced, hilarious, (when my opponent and I blunder stupidly and I only discover when I analyse my game) and you can play many different games in a short while: a great way to continually try out your chess ideas and openings on many different opponents. Unfortunately, having only played bullet for about a month, my rating is only 1200+. I’d really like to achieve 2000 by improving my rating by +1 each day.
Well, are you a bullet fan?