He starts off being a happy drunk, of sorts.
By the third verse though "I carry the dollhouse..." We start to see the story unfold. The dollhouse represents the people he loves, perhaps a family. It's a lot of pressure to have to carry a family on your back as the narrator is doing. It is here we realize the pomposity of the first two verses was a result of the narrator drinking away the pressure, the alcohol is his only escape from reality.
He starts off being a happy drunk, of sorts. By the third verse though "I carry the dollhouse..." We start to see the story unfold. The dollhouse represents the people he loves, perhaps a family. It's a lot of pressure to have to carry a family on your back as the narrator is doing. It is here we realize the pomposity of the first two verses was a result of the narrator drinking away the pressure, the alcohol is his only escape from reality.