During early adulthood, erik erikson's developmental stage of occurs.

During early adulthood, erik erikson's developmental stage of Intimacy vs isolation occurs.

During the age of adulthood, people tend to develop a need to be accepted by their peers.
People that have the attributes that suitable with the group around them, tend to find intimacy by being accepted by their peers, while those who don't tend to be isolated by the peers. 

The repetition of initial consonant sounds is called alliteration