My husband and I are separated and we have four kids, ranging from 5 to 11 years old. My "husband" has moved in with his girlfriend and he takes the kids to his house two nights a week. My oldest son usually does not want to go to his dad's house and I don't think I should force him to go. Sometimes when he does go, he calls me and begs me to pick him up. My "husband" thinks I shouldn't give my son a choice about visiting his father. At what age do you think it is appropriate to let the child decide whether or not to visit his/her other parent?