Write about your boyfriend
The sentence should be: Don't write in Guss' diary.
I'll tell you, but is this for school?
Yes, You should. At any age it's fine once in a while to write in your diary. Writing in your diary is a good way to express your feelings and is good for the soul.
to write down his feelings about starting middle school
a nine year old should be in bed no later than8:00pm and lights out by 8:30pm, that will give her time to read a book or write in her diary.
there's no should but diary imply everyday stuff for student school, project, extracuricular for adults work, project, hobby club etc
Diary
In the evacuation diary we need to write that:What happened in evacuation?How do you feel?What did you see?
Kim's diary = the diary that belongs to Kim
It should be Ryan's school.
she liked to write in her diary, which she named "Kitty", she liked to read and write outside of her diary.
I write them in my diary.