Desiree Foster stands at her stove. She’s cooking up some hamburgers and white rice for her two daughters. I’m hovering near her refrigerator when I notice the tattoo on her neck. It has her two daughters' names, Alyssa and Brianna, scrawled across the nape of her neck. Below the names is the serenity prayer: God grant me the serenity to accept the things I cannot change, the courage to change the things I can, and the wisdom to know the difference. Desiree Foster, who was born and raised in Southwest Detroit, and remains there to this day, says she decided to get the tattoo because she thought the prayer’s message might seep into her soul. “I’m still waiting for that serenity sometimes,” she confesses. Foster, along with her 12-year-old Alyssa and her 13-year-old, Brianna, all have a rare bone condition, called hypophosphatemic rickets. Foster wasn’t aware that it was a hereditary disease until after both her children were born. “The rickets, it just makes the bones a little more