Context: For those who do not have children , you may not believe that I could still feel incomplete with three little rug rats running around . But each child is so special , so unique , that there is a definite void when one of them is missing . And yes , Andrew , Sean , & Ryan have kept me very busy while their oldest brother has been away .

Question: Why do you feel a void when on of your kids is away even though all the others keep you busy ?
Options:
0. They do n't know me as well as my oldest does and the void is from not talking to my oldest
1. None of the above choices .
2. Andrew , Sean and Ryan keep me busy whereas my other son would help me out with them and I miss that
3. Every child is unique and brings something different to my life which is irreplaceable from one child to the next
Answer: 3