What are 2 ways that Holden protected Phoebe in The Catcher in the Rye?

One of
the centralin The Catcher in the Rye is 's desire to
protect the innocence of childhood. In this way, his relationship with his younger sister, , is
pivotal to the story.

Holden often confides in Phoebe and believes she is one
of the few people in his world that isnt a phony. In one scene, Holden reveals his innermost
desire:

Thats all Id do all day. I€˜d just be the catcher
in the rye and all. I know its crazy,...