You'll follow the same writing conventions as everyone else at the level of education you're at.
Like how every primary school kid ends their story with AND IT WAS ALL A DREAM.
(
Shada,
Sat 17 Jan 2009, 1:49,
archived)
Hahah Lovecraft ended one a bit like that once.
But the story was that the guy lived most of his life in his dreams.
Then he sleepwalked off a cliff.
(
ClanSoul,
Sat 17 Jan 2009, 1:51,
archived)