A seems the most right because if the girl is developing so is the setting because the girl is the setting
I think informal? Family members commonly use slang :)
Well if something bad happened to him maybe its coming back more frequently and traumatized by it depending on what it is or if something had triggered those memories to found a way back,
Can you maybe attach the file to the question?
2) Boys and squirrel 3) Nuts and ground 4) bird and tree 5) rabbit and house 6) vet and rabbit 7) artist and ducks 8) brother and coach 9) grandmother and vegetables 10) turtle and rock. Hopes this helps you!