Answer: The sounds that are included are placed to tell the scene or what is going on. Example: Boom, the asteroid hit earth and, all the dinosaurs ran to save themselves. It was no use because with that " boom" life as they knew it was over.
It suggests that the writer thinks that Byron is one that is bored or irritated easily
The 4 possibilities are :
therefore.......
as you can see....
in conclusion ....
