I feel for you as I have struggled with the same thing. I felt it very challenging to keep charging when I was the only one interested. What I found was you can’t change others but you can change yourself and through understanding my wife’s mindset I was, and am able to present opportunities in language she can appreciate and get exited about. The resources I used to gain this ability is a CD audio set called the magic of colors and it is available at http://www.clubrhino.com/products/item6.cfm