The incarnated spirit does not willingly reside in the physical body. Like a prisoner locked in a cell, the spirit is trapped in the corporeal envelope and constantly aspires to be free from it. The coarser the physical form, the greater the spirit's desire is to be released from its confinement.

1. 400. Does the incarnated spirit reside willingly
in his corporeal envelope ?
"You might as well ask whether a prisoner
willingly remains locked up in prison. The
incarnated spirit aspires incessantly after his
deliverance; and the grosser his envelope, the
more desirous is be to be rid of it."