"My heart didn’t break into a thousand pieces after he left. Instead, I realized all the things he didn’t do. He didn’t want to hear my stories. He didn’t ask me questions. He didn’t hug me out of the blue to make me feel good. His hugs were always a preamble to something else, and after he was gone, I wondered if he ever knew me at all."
The first thing Snape asks Harry is “Potter! What would I get if I added powdered root of asphodel to an infusion of wormwood?” According to Victorian Flower Language, asphodel is a type of lily meaning ‘My regrets follow you to the grave’ and wormwood means ‘absence’ and also typically symbolized bitter sorrow. If you combined that, it meant ‘I bitterly regret Lily’s death’.
"Waking up in the morning is easier if you have someone to wake up for."