Answer:
You can use this as a opening line, "Summer vacation ended, and hell began all over again."
It may be not well received though.
Since the speaker compares himself to a night owl and Wilson to an early bird without the usage of the words "like" or "as", this is an example of metaphor. The reader is obviously not actually a night owl, but is merely saying that he's more active at night.
Hmm... I wanna say either 1 or 4? but I could be wrong-
