My nephew is 16yrs. He has this week been found out using his mums card for purchasing PlayStation games. It’s a lot of money. He has taken things in the past that don’t belong to him. My brother does not punish him because he thinks that he’ll learn from his mistakes. All that has happened is he has been banned from playing on his games for a week. Am I unreasonable not wanting him to visit my home? He helps himself to food, wanders round my house going through things and is rude to me when I say something.