A – You've come to the right place for answers. It may seem odd to you that these answers come from science and concern the mind, or it may not. The simplest answer we can give you is "Lack of development of intelligence", but we'd expect you to ask what causes that. That leads us to "Anxiety", but you'll have to read the tutorials in order to find out what anxiety really is, and how these problems both arise and can be avoided!