If you want to be a doctor, a lawyer you must go to college. But if you want to be a musician or such, study your craft. Study music.
If you're writing a piece for the Boston Pops, the balance is towards one end. If you're writing a piece for a chamber music society, then it's towards another point. I won't make a final answer on that. I think it changes with every piece.
Maybe the most that you can expect from a relationship that goes bad is to come out of it with a few good songs.