First, you don't say how old you are, which is important in understanding what's going on. Second, you're doing an awful lot of self-analyzing instead of just doing. Third, are you isolated and playing video games by yourself or do you have an active life that includes friends and others? Next, external issues don't "cause" anxiety and depression. The way we think does. Some of us are prone to that type of thinking and most of us aren't. Bad things will always happen in life, but most people don't end up depressed and anxious because of that on a chronic basis. So what treatment are you receiving for this?