Whatever the level of stress or anxiety you are suffering, it will help you understand the matter causing the stress if you talk it through to get a new perspective and realise the opportunities that are available.
Self harming is almost always hard for other people to understand. For some it might be difficult to live from one moment to the next but counselling can help.
Relationships are not always healthy, from time to time they come under strain and then individuals suffer. Counselling can help you to transform the relationship to a healthy one.
Bullying can come in many forms; it can be done very subtly. The bully might be a family member, a school colleague, a work colleague; the bully may use name calling, threats, actual violence, written abuse, and internet or text abuse.
Bereavement/grief/loss are common to everyone but individual responses are different. And your personal response might well be influenced by your family, your culture, your personality and your religious beliefs and so on.
You are unique and the way you react emotionally to situations and circumstances is also unique. People will experience the same event in completely different ways so will have different emotional reactions.