If you would be pungent, be brief; for it is with words as with sunbeams - the more they are condensed, the deeper they burn. - Robert Southey
Treat backstory like a pungent spice. I say this to encourage you to picture a jalapeno pepper that can set your mouth on fire, every time you even think about adding backstory into your book. What you need is subtlety. - Sandy Vaile