Sanity and Madness

The book constantly questions the boundary between sanity and madness, as Lawford fears for his own mental state while others debate whether he is ill, possessed, or simply delusional.

Lawford questions his own sanity as he struggles to understand the transformation and his wife accuses him of being mad.

Lawford desperately fears for his sanity, pleading 'my sanity, my sanity' and stating he would rather die than go mad.

Lawford hears voices, considers his thoughts as insanity, and experiences a surge of indignation, teetering on the edge of mental breakdown.

Lawford questions his own sanity, wondering if his transformation is a delusion, and fears being seen as a lunatic.