If our experiences of relationships in childhood are largely negative and painful, in extreme cases, we may develop social phobia as adults, or, in even more severe cases, avoidant personality disorder (AvPD).
What is AvPD?
APD is similar to generalized social phobia, but of greater intensity. The person who suffers from it tries to avoid social contact due to an underlying fear of being humiliated and rejected.
The Diagnostic Statistical Manual (DSM), which is a reference manual used by psychiatrists