For cutting-back litany,let's getting into today's topic-dorm friendship in our nowadays era.
No one can deny that when you live with other people, you eat,laugh,cry or share together.You may find someone in your dorm may become your friend.So,you may have doubts about the title.
Let me talk about my thout about what important quality is needed in a dorm,you may find qualities as following.
Share.The successful English educator Yu Minhong said he will never engage the man who never would like to share his things to the others in the dorm.Sometimes altruism will make you kind and beautiful.
Solidarity.Something like Share.After all,harmonious dorm will be admired.Tolerate others' deficiency,do not alienate the people while others also far away from,listen to other's advice.These will bring up your warm,patient and confident desposition.
If you are computer literator,you can help others to start learning computer;when your dormmate make mistakes causing of carelessness,you shoule put in a word for her.
When many years passed,you will remember the days you study,tolerate hard knocks,laugh,pose as boys in order to get into their dorm to watch films and etc.so many things.Although someone in you dorm is high intelligence quotient,she will do these stupid things with you.Yeah,that's it,this is called dormitory friendship.

语法还不错

但是你用词很偏，就如第一句
“For cutting-back litany"
“in our nowadays era”
"dorm friendship"

用点常见的吧。
"in our nowadays era"? nowadays就够了

dorm friendship
dorm's friendship
make friend with roomates