You need some rest to help you get better quickly.
需要多休息, 好让你很快恢复。
You look tired. Have you been getting enough sleep?
你似乎累了。睡眠充足吗?
Second, if your friends have problems, do not give advice. Ask questions instead, such as What do yo want? How do you feel about it? What are you afraid might happen? They will be able to find answers to any problems themselves, with your support. They