The rule of life was that the boys got to decide which girls were pretty; it didn’t really matter how ugly they were themselves.
Until the boy’s sexual wishes in regard to his mother become more intense and his father is perceived as an obstacle to them; from this the Oedipus complex originates.
That boyish type of criminal is usually intensely vain. Once prick the bubble of their self-esteem and it is finished! They go to pieces like children.