What does "go" refer to?

What does great aunt mean?

A great aunt or great uncle is the aunt or uncle of your father or mother. In other words, it is the sibling of your grandparent. Ex: My great aunt is close in age to my mother, so she feels more like an aunt to me. Ex: My grandparents both came from big families, so I have many great aunts and uncles.

Can I use "long to" instead of "long for"?

Yes, you can use "long to" if an infinitive verb is following in the sentence. Ex: I long to go to London."

What's "turn into" mean?

To "turn into" something means to become something (new). It's describing the transformation or changing of something, a new thing that you "turn" into. For example, you have a friend who was a terrible student in school. However, they grew up to become a teacher. You could say, "I never expected you to turn into a teacher." Ex: The rural town was turned into a popular tourist destination. Ex: Julie was a quiet girl when she was young, but she turned into a popular cheerleader in high school.

What does "salty" mean?

"Salty" is a slang term meaning to be upset or petty over something small. For example, when a friend beats you in a video game. Ex: He was salty because his sister ate his snacks. Ex: I was feeling salty over my argument with my sister, so I ignored her.

What does "go" refer to?

"Go" here refers to "take a nap". He is saying that he is going to go somewhere else (his room) and take a nap there.