Freak the Mighty Lies and Deceit Quotes

How we cite our quotes: (Chapter.Paragraph)

Quote #4

I've been in there, in the special test unit! I have to go every few months for tests. (9.45)

Freak tries to explain his hospital visits away with a pretty cool alternative. But who is he lying to here: Max or himself?

Quote #5

I'm lying awake in the dark on a hot summer night and I'm thinking, Treasure in the sewer? What kind of quest is this, huh? Is Freak completely making this up or what? (10.28)

There's a fine, fine line between a lie and a make-believe quest. Where do Freak's adventures fall on this line?

Quote #6

"Maybe I will, maybe I won't. I can't tell your gramma about it, though, and it breaks my heart to lie to her. That's one thing we've never done." (14.37)

So Grim is honest with Max but not with Gram? What gives? Are there any characters who are honest through and through?