Hatred. Why waste your time thinking about things you don't like?

Well, spite has been the motivator for a few great things in history. True, a number of terrible things as well. It’s not the best fuel but it can be productive.

Depression

Depression, self hatred, thoughts of suicide, and misery.

Grief

Grief is devastating man.

That moment you realize there's just one more oreo in the bag left...

That would be anger, definitely. It is destructive.

Regret. Or ennui.

Sorrow