I believe she is using an orphanage as a metaphor for her heart. Thus, "my orphanage, my heart." She presents the orphanage to be a tangible thing or something she is experiencing (where she lives) until the very end, where she tosses out "my heart" and makes you rethink your perception of the meaning of the lyrics.
I believe she is using an orphanage as a metaphor for her heart. Thus, "my orphanage, my heart." She presents the orphanage to be a tangible thing or something she is experiencing (where she lives) until the very end, where she tosses out "my heart" and makes you rethink your perception of the meaning of the lyrics.