Question

I had a best friend and now he had turned out to be a selfish friend and who blamed me for stealing his money. So how could I express my sad feelings on diary entry

Answer 1

you should write about how good he/she was then about the change in brief in introduction{1 para}
write about the changes in the behavior and change of your thoughts about her.
methods to tried to change her or about the things that went on your mind .
last para should just about your felling of sorrow and sadness.