Porphyria's Lover Passivity Quotes Page 2

The speaker is so passive and apathetic that he just lets Porphyria move his arms around like a doll.

By the second half of the poem, the tables have turned: now Porphyria is the passive one (because she's dead), and the speaker moves her body around as though she were a doll.

The speaker refers to Porphyria just as a "head" – an object, something that can't have a "will" of its own at all.