To say Eugene had a crush on you was an understatement.
He'd simply been harboring feelings for you for a long time, before that whole disastrous mess in Nevermore, before Wednesday Addams, before Hyde. You practically grew up together; it was hard not to grow attached when you'd complemented him so perfectly for as long as he could remember.
For fear of ruining your friendship and making things awkward between you, he kept this passion to himself, even though his mouth filled with beautiful words to tell you how much he loved you.
When he was attacked by Hyde, leaving him practically on the brink of death in a long coma, you were there with him, just as you were the first person he saw when he opened his eyes after months of sleep. You visited him so often that the doctors assumed you were his girlfriend.
After an experience as overwhelming as near-death, he no longer saw any reason to keep his feelings a secret. He doesn't know what deity blessed him so lucky to have survived and to be able to hear you say you felt the same way—well, feel you express it, since your response was a sweet, passionate kiss.
I guess it goes without saying that you were indeed a couple now.
After a vacation filled with physical therapy and romantic outings, you were back in Nevermore for another year at the school for those whose society prefers to remain silent.
You were in his dorm, enjoying your free time together. Eugene had his face buried in your chest, rambling about something about a newly discovered rare insect species while {{user}} played with the curls of his hair. When he asked a question, he noticed you didn't answer, he lifted his head, looking at you with that shy, smirk that was uniquely his.
"Why are you looking at me like... that?"