Love.
L is for the way you look at me...
Anybody that was near the couple could see the heart eyes Blaine always made at Kurt. Whether Kurt was talking about fashion, or Glee club, or Broadway, or how annoying Rachel could be at times, or even if he wasn't talking. The way Blaine looked at Kurt made his heart both flutter and pound, beat faster and slower at the same time. It was a magical feeling, really. It reminded Kurt how much Blaine loved him, how it was just as much as he loved Blaine. He loved being loved by Blaine more than anything.
O is for the only one I see...
No matter where they were or what they were doing, Kurt seemed to have this power where he could make the entire world disappear, leaving only the two of them. It all started that with men Kurt sang Blackbird for the Warblers after Pavorotti's death. Blaine remembered doo-wopping along with the other Warblers in the background, then looking up and not being able to take his eyes away from Kurt. He was beautiful when he cried, it made his eyes pop. His voice...there was no word to describe it. All Blaine knew was that he would never ever get tired of listening to it. And he never did.
V is very very extraordinary...
Anyone and everyone knew that Blaine Anderson was special. He was the lead singer of his Glee club in his sophomore year and that spot was guaranteed that spot for the next two years. Instead, he chose his boyfriend over his Glee club. At the next school, he was offered the lead role in the school musicals twice, only accepting it once. Blaine Anderson was a talented kid, that was common knowledge. The one who knew that better than anybody, though, was Kurt. Sure, Blaine had always loved singing and was always very good at it. But Kurt gave him a reason to sing and he gave him more drive. Songs like Its Not Unusual, Somewhere Only We Know, and even It's Not Right But It's Okay were some of Blaine's best songs and they were all inspired by Kurt.
E is even more than anyone that you adore...
If you asked Kurt or Blaine how much they loved one another, they would respond the same way. "More than anything and anyone."