What is a woman of substance? She is more than meets the eye. She possesses virtues that makes others around her notice that she is not shallow. She is interesting to get to know. She possesses a depth of personality and character. Why men not choosing women of substance? A woman of that caliber isn't common, so he must have his stuff together to match her energy. 

The goal of men is to have sex with women. In today's culture men have become lazy because they can get sex from anywhere. In this sexual liberation age, men do not have to work hard anymore, so they continually chase after the easy women.  A woman of substance is usually desired by older men maybe 35 years of age (or older). When men hear a term like woman of substance, his default setting in his mind is she is boring. But that is far from the truth! Substance: Substantial or solid character or quality. Consistency and something that has separate or independent existence.