He had put it off for far too long for fear of his reaction.
But now he had no time left.
And that saw him standing here, and he couldn't care less how much of a mess he looked.
He just couldn't leave without saying goodbye.
Bilbo sniffled as he looked at the tomb of Thorin Oakenshield.
The light of the Arkenstone shone brightly in the dim light.
It drew Bilbo closer and he collapsed, both hands clutching at the stone visage.
He had tried to help and failed.
"I'm sorry. I'm so sorry."
We are not as all-powerful as we would like to think.