Because they are either ignorent and do not understand what they are doing or they do not see theirs lives as wonderful, they are trying to escape something that is going on that they do not want to deal with
Answer: the answer is D ;)
Explanation:
The Manual of Mental Disorders (DSM-IV-TR). This manual, which at the moment is at its fifth edition (DSM-V-TR), is the standard book by which psychiatric and psychological practicioners diagnose different mental conditions. It is also used as a references for many other practicioners which work in related fields.
True true true! the answer is true