Psychology has adopted the scientific mode. However, from a strictly scientific point of view, it has not been able to meet the requirements of true science.
Oh ho, very clever anonymous. This is about trust and faith, not ability. Can your pipes defend themselves from a plumber? Can your body defend itself from a surgeon? Your mind can defend itself from a psychologist, sometimes without you even noticing.
Trust. Faith. If you don't have either one of those, you won't talk to either your psychologist, or your preist, about personal or religious problems.