Finn said "no one loves me like Jake" even when everybody went far and beyond to save him. Marceline went against her principals, Bonnie tried magic when she's a scientist, BMO wanted to sacrifice himself, Phoebe came back knowing their relationship was over, Simon reconnected with parts of himself he didn't enjoy, Minerva extinguished her last resorts, and don't even get me started on HW. She murdered entities, betrayed her own kind, jumped through dimensions, gave up every other version of herself for A CHANCE of saving him.
Finn is so loved by everyone around him and he's clueless.
He's clueless because grief makes you blind to it. Grief makes the world seem uncaring. Grief makes living seem unavailing. And it's hard grieving the person you loved the most, the person who loved you at your lowest, the person who was by your side at any given moment, since the day you opened your eyes. It's hard to wake up everyday and suddenly that person isn't there anymore. Jake is not sleeping on the bed next to him, Jake is not downstairs making bacon pancakes, Jake is not playing games on a rainy afternoon, Jake is not outside running around, Jake is not there to cut his hair, Jake is not stretching himself into something funny just because Finn felt down.
Existing is hard without him. His heart aches, love spills and doesn't have anywhere to go.
Now his brother is just a piece of him, fragile and sacred, locked behind a vault so he doesn't slip through his fingers more than he already did.
And no one loved him like Jake, because no one loved Jake like he does.
