One Piece Chapter 22, page 21: YOU ARE A RARE AND PRECIOUS ANIMAL TOO

They arrive at the base of the massive rock hill. Gaimon looks up at it emotionally, noting how long it has been since he was last here. Luffy asks why he never asked anyone else for help before, and Gaimon admits he did not trust anyone. He sheds tears of joy, declaring this the happiest day of his life.