Is it good being one or be a bull instead?
This is an interesting question. There's plenty of people who'll attempt to answer it for you, but if you ask me, it's a distraction, because "bull" and "bear" are words that describe a person's opinions, not their nature or their hopes. To be a bull is to believe that the price is going up - to be a bear is to believe that the price is going down. To hold a belief is not good or bad in and of itself; the key is, "is this belief actually correct?"
It was good to be a bear in June. It was good to be a bull in October. If I could tell you which one it's better to be today, well, that would make me either a liar or a millionaire wizard.