Lily and Severus having code words for whenever James Potter was close by so their friend would have time to hide.
Lily and Severus having occasional nightly reunions in the Great Hall with hot chocolate and candle light, talking about nothing and everything.
Lily sticking up for Severus when that infernal Potter boy would make him feel worthless.
Severus making him and Lily friendship bracelets in first year to keep them close even though they were in different houses.
Lily pretending not to notice Severus getting darker as the years progressed.
Severus pretending not to notice Lily warming up to James.
Lily crying after Severus called her that unspeakable name.
Severus realizing he just lost his true love.
Lily and Severus both left with holes in their hearts,
One filling it with love, one filling it with hate.