In a society many family would be very different for parents to teach are kids. Then we can meet our friends who has the habit of good and bad manner. In the social public university is large. We will meet many friends and we tend to book dormitory, which we won't be able to choose roommate. It has the problem that we found a friend who has bad manner such as my friend who is inconsiderate when he brings my pens or others things he doesn’t bring them back to me .Sometimes I want privacy space he likes to my space and do it dirty such as he likes to throw his papers or others trash on the floor it look likes dirty and he doesn’t clean them. After all, it may be just a good or bad manner that some people may be found. When we live together we should change habits. It's not that we didn't act like we were at our home, we need to have considerate and have some privacy space to each other’s, to live together. When we have good manner we will happy with your roommate to live together.