I have no scientific or research information to give you on the subject of men and money.  I have only my experience to share on this subject. As boys, our mother would have us sell fruits from the trees in our yard to make what we called "pocket change".  From the sales, she would ask us to bring the money...

Have you ever seen a slick vehicle with an attractive paint job, good tires, clean and expensive interior but when you go to the trunk it is full of discarded stuff, used parts and just plain junk? It was hard to tell from the exterior. Or maybe you have your house and the living room smells good, clean furniture...