1.

"I want us to make a promise."
"A promise?"
"That, no matter what we find out when we go in there, we will never talk about it again."
"Deal."
"Hm, Harry? I'm not sure that's a promise you guys can keep."
-
The morning after the students of Hogwarts decided to throw a party, Draco Malfoy finds himself in the place he'd least expect to wake up in: Harry Potter's bed. However, both of the boys were way more than tipsy and, therefore, lost all - or at least most - of their memories from the previous night. Yet, Hermione has a plan: with Dumbledore's help, they would be able to relieve all the happenings from the gathering by using the headmaster's pensieve.

But, when something is hard to forget, is it better to not remember it at all?