Brother in Arms

In my book my John langan I want to show that there is a external conflict going on . Toby and his mother are going trough a lot of things where she can't afford a house. Her father is trying to work hard but he still can't get the money for the bills. Toby find a job that might not pay so much but cuts it for his parents. They keep him out the house because they don't want him using anything that will have to do with bills and money.