Everyone understands you, and if you’re part of it, you also understand these 16 social norms that go beyond the average attempts to always pinch a penny. Do not tell anyone who knocks on the door where the parents work. When I was 11 I was invited over to a then friend’s house. So, at this friends house, I make my sandwich with one slice of ham because it was way thicker then the stuff at home. My parents never let me go to her house again because they were embarrassed I told them we were poor.