jrr tolkien: i really love my wife. i will make her into a beautiful, unearthly half-angel princess who beat satan almost single-handedly and won an argument with the keeper of the halls of the dead
jrr tolkien: i really love my best friend. i will make him into a grumpy old tree who never gets to the point
He totally is. He shows himself, as seen here and also in some non-joke scenes, to actually be quite smart. His issue is much more not being able to focus on anything and being a goofball than being an idiot!