Severus Snape is sitting on a branch of an old maple on the day, when he received his Hogwarts Letter, deep in thoughts. It's high time to contemplate, isn't it?
For those, who, like me, were surprised that Lily had broken up with Severus over one word, sputtered in utter and obvious distress. An introspection.
No trap could be compared to a trap of one’s own imagination, and Voldemort is aware of it, rest assured. Harry Potter is locked in a nightmare, created by the Dark Lord. However, Voldemort doesn’t know there is a Master of Dreams in Hogwarts...