I also depression for a long time but not on any medication, which is why I opt for an early retirement. Think it's getting better though I still need to drink before going to ZZzz.Yo bro, I'm not a 过来人 I'm still on medication for this please tell your colleague for me go seek medical help quickly. Depression (忧郁症) I detected early is reversible but rakes a long time. But if one does nothing about it it may become acute and irreversible. Many people now a days take Prozac like nothing in fact in US this drug now even no need prescription. Tell him it's normal and can be cured no need to suffer like this please go seek help. Please don't allow a simple issue become complicated as this affects family life too.