Two days ago I found out that I have two younger half brothers from my dad, whom I havn't seen or heard from since I was seven and my sister was born. One of the boys was fathered before my parents split, one after. I know, its confusing. Basically I have 17 and 9 year old half brothers and one 13 year old full sister, I have guardianship of my sister. Their home life is not good, its a small town so I know about their mom, and I went over to their house yesturday, theres no discipline, no direction, the moms drunk half the time, doesn't clean, lets the boys do whatever they want, and they are always into trouble. For the past two days, the nine year old, Kurt, has been at our house every moment that we are here and the 17 year old, Marc has been here part of the time. Kurt has a serious issue with cursing, he gets in trouble for it all the time at school, he curses a major swear word at least once every five minutes. We don't allow cursing in our house, we have a four year old, and while he knows not to curse, he shouldn't have to hear it all day. Marc is older, so he gets that and watches his language, but Kurt simply isn't getting it, that its not appropriate. He tries, its not like a disrespect thing, but hes just so used to cursing that he doesn't even think about it. They aren't my kids so I cant punish him or something, but what can I do to get him to watch his language.