Mental Health As A Moral Compass

My latest piece at Sweet Talk Conversation postulates that mental health might be a good way to establish right and wrong:

Is there any better standard upon which to found our systems of ethics, something that performs a little better than the ones I've described thus far? 

I think I might have one: mental health. Actions that serve to augment or support the mental health of moral agents are moral, actions that serve to diminish their mental health are immoral, and actions that have no impact on mental health are morally neutral. Applying this evaluative criterion to moral decision-making seems to yield consistently good results.

Read the whole thing.