wafa looks after mohamed, and nagla cares for ahmed. >> translator: we love these children like motherswe feel like mothers. sometimes we even sleep with these children. >> do you begin to understand the degree of closeness that these boys would have? >> translator: they already feel very close to each other. if one of them is hungry or needs something, they'll start crying, and his brother, even though he doesn't need anything, also gets upset because his brother is crying. >> translator: mohamed tries to turn himself around so he can get close to his brother, even though he can't. so he reaches over to touch his hand. >> so when you think about the possibility of them being separated, it must get -- how do you feel about it after having been with them so long? >> translator: i am dreading the decision. i know that it's so risky, and i only pray to god that something will work out. >> but when asked to face the possibility that one or both of the twins might not survive surgery, the thought is simply too much for wafa, who looks after the smaller, more vulnerable twin, mohamed. yeah. s