Listen to them. Let your friend know you’re there for them. You can start the conversation by sharing your concerns and asking a specific question. You friend may often seem to be in a bad mood, or feel exhausted a lot of the time, so you can know the different forms depression can take. Can refer to the three irregularities, do not encourage, blame, refute. It is the best comfort for him to support him and accompany him, by the way when we help patients, the people we care about must also pay attention to their body and mind, because when they are with depression patients, they often become depressed and stressed together, so you must take good care of yourself while caring for others!