It happens to the best of them. You're moving between apples and oranges. Poker is about money. Style points don't get you anything. It's a game of skill, by the way.
Poker is a game of risk management.
I agree completely that being aggressive all the time is a lousy way to play. But timidity kills. AND, over-aggressiveness is worse, if you care about the money. Okay, so you don't have much experience with this issue. And the ones that were aggressive were bad players.