Divorce is hard on everyone but is hardest on the children. They have to deal with the way their family changes. One of their parents goes away and even if they stay nearby it is hard to have them no longer living in the same town. It is hard on them as well to see their parents unhappy. There are many stats about this and how kids are affected emotionally, so you can always find info if you want it.
Read more: The Children of Divorce