This post is from staff writer Sierra Black. Sierra writes about frugality, sustainable living, and getting her kids to eat kale at Childwild.com. This post is part of Book Week at Get Rich Slowly. Since my twin victories of paying off our last credit card and funding a summer of travel, my husband has begun to show interest in personal finance. It’s not that he wasn’t supportive of my efforts before — he just preferred to support them from a safe, ignorant distance.