Isolation and Despair. The poet uses powerful imagery to capture his emotional landscape , depicting a room that is cold and damp with no sunlight , symbolizing his mental anguish .The use of phrases like " shadows lurking " create a pervasive of dread and loneliness .
Longing for Company . Throughout the poem the speaker yearning for a friend someone to whom he can pour out his thoughts and feeling a companion to relieve and share the burden on his isolated existence