He was a double agent, so many character details were kept a secret. His mother was a witch and his father was a Muggle, leading to the moniker "
He didn't want Harry to know for 2 main reasons. He couldn't bear Harry knowing he had feelings for his mother because Harry still reminded him of James, whom he despised. This is explained in the book. Snape: "But never - never tell, Dumbledore!
In Deathly Hallows, when Harry approached the Pensieve, he was grief-stricken and broken by battle. He practically fell into Snape's memories, and discovered a little thin-faced boy who once knew a girl called Lily Harry's mother and Snape were childhood friends.
Severus Snape was Harry's most hated teacher and went to school with his parents. He's surrounded by mystery over whether he's on the side of the Order of the Phoenix or Lord Voldemort. JK Rowling tweeted: Snape died for Harry out of love for Lily. Harry paid him tribute in forgiveness and gratitude.
Lily brought light and warmth into Snape's life from the moment they met. He was an isolated, lonely child whose magic would have only made him more of an outsider in his hometown of Cokeworth.
A Professor at Hogwarts School of Witchcraft and Wizardry, Snape is hostile to Harry due to his resemblance to his father James Potter, who bullied Snape during their time together at Hogwarts. As the series progresses, Snape's character becomes more layered and enigmatic.
Now, as firmly established, Snape was not the greatest fan of Harry, but that didn't mean that he ever stopped loving Lily. Dumbledore was surprised that Snape seemed to care for the boy. With a swish of his wand, Snape conjured up a Patronus – Lily's Patronus, a doe. 'Always,' he said.
Lily Only Ever Saw Him as a Friend
The fact that Lily only ever saw Snape as a friend reveals a lot about his refusal to respect her boundaries. In retrospect, it seems that his love was really an ongoing obsession with her that lasted long after her death.
Her leaving Snape wasn't a sign of her being a bad friend but rather that their interests no longer clashed as he was studying something that Lily despised. They just grew apart over time, and that was no fault of Lily's.
Dumbledore reveals how thoroughly he loves Harry. Harry is brave, and Dumbledore is proud as any father would be. More than that, Dumbledore succumbs to a parent's weakness; he cares more about Harry's happiness and wellbeing than the wizarding world he is trying to protect.
He doesn't trust Snape as Dumbledore does, but he believes that he can detect any disloyalty. Moreover, Voldemort regards Snape as highly intelligent and therefore ' as a true Slytherin ' a person whose top priority is to take care of himself. To his twisted mind, selfless equals stupid.
It probably had at least a little bit to do with her friendship with Harry Potter. Additionally, her brilliance made it harder to favor the Slytherins. No matter the cause, it's clear that Snape loathed that Hermione was so smart and so willing to answer any and all questions during class.
However, Draco was ordered by Voldemort to kill Dumbledore. Lestrange saw this as an opportunity to test Snape's loyalty and while making this vow to always watch over Draco, Lestrange forced Snape to agree to killing Dumbledore himself in case the youngster was unable to do so.
In a misguided attempt to win back Lily's affections, Snape joined the Death Eaters along with a group of his fellow Slytherins. Severus was made a member of the Slug Club presumably because of his talent in Potion-making.
Voldemort grants Snape's request to spare Lily because Lily's life is not important to him. Snape has done him a solid by reporting on the overheard prophesy, so this is an opportunity for Voldemort to appear magnanimous.
Did Snape sleep with Lily? To which the answer is 'almost certainly not'. There's certainly no indication in the text that he did and presumably if he had, the "memories of Lily" mix-tape he gave to Harry when he died would have included it.
So Snape was cruel, biased towards his house, and downright rude to his students: this we can't deny. Calling poor Hermione an 'insufferable know-it-all', for example, was pretty terrible.
Snape made fun of Hermione's teeth
Snape dismissed the curse as bearing no change to her appearance, causing Hermione to flee in tears. We knew Snape wasn't exactly chummy, but this was a real tipping point.
“I wrote the Hermione/Ron relationship as a form of wish fulfillment. That's how it was conceived, really,” Rowling says in the interview. “For reasons that have very little to do with literature and far more to do with me clinging to the plot as I first imagined it, Hermione ended up with Ron.”
Similarly to Harry, Snape's patronus represents a person. In the memories he gives Harry before his death, Snape shows Dumbledore his patronus, using the form to prove his love of Lily Potter, Harry's mother.
Because Snape felt that Harry was his only remaining tie to Lily, and working with Dumbledore to protect Harry was his only remaining way of expressing his love for Lily, by honoring her memory. Dumbledore did keep up his part of the deal. He hid the Potters. He did everything he could to keep them safe.
In order to preserve his position as a trusted Death Eater, Severus Snape was forced to tell Voldemort the true date at which the Order planned to move Harry.
Draco Malfoy's mother Narcissa was cold, cunning and devoted to the Dark Lord. But she was also a mother, which meant she was willing to risk everything to make sure her son was safe. When Harry survived Voldemort's Killing Curse for the second time, Narcissa pretended he was dead so she could get to Draco.