Delia's action shows that she loves her new husband Jim enough that she is willing to sacrifice something she values in order to get him a Christmas gift. She has an unselfish, loving character.
Second person is a point of view (how a story is told) where the narrator tells the story to another character using the word 'you. ' The author could be talking to the audience, which we could tell by the use of 'you,' 'you're,' and 'your.
