Question -does our flesh manifest in the same manner as a demon? If I'm understanding the question-
They seem to prefer bodies
"So the devils besought him, saying, If thou cast us out, suffer us to go away into the herd of swine." Matt 8:31
"When the unclean spirit is gone out of a man, he walketh through dry places, seeking rest, and findeth none. Then he saith, I will return into my house from whence I came out;..."
Matt 12:43
,"And it came to pass, when the evil spirit from God was upon Saul, that David took an harp, and played with his hand: so Saul was refreshed, and was well, and the evil spirit departed from him." I Sam 16:231
Also, "...Bring thy son hither.
42 And as he was yet a coming, the devil threw him down, and tare him. And Jesus rebuked the unclean spirit, and healed the child, and delivered him again to his father.""Luk 9:41-2
At another place "And when he was come to the other side into the country of the Gergesenes, there met him two possessed with devils, coming out of the tombs, exceeding fierce, so that no man might pass by that way." Matt 8:28
Also, "And they brought him unto him: and when he saw him, straightway the spirit tare him; and he fell on the ground, and wallowed foaming.
21 And he asked his father, How long is it ago since this came unto him? And he said, Of a child.
22 And ofttimes it hath cast him into the fire, and into the waters, to destroy him: but if thou canst do any thing, have compassion on us, and help us.
23 Jesus said unto him, If thou canst believe, all things are possible to him that believeth.
24 And straightway the father of the child cried out, and said with tears, Lord, I believe; help thou mine unbelief.
When Jesus saw that the people came running together, he rebuked the foul spirit, saying unto him, Thou dumb and deaf spirit, I charge thee, come out of him, and enter no more into him.
26 And the spirit cried, and rent him sore, and came out of him: and he was as one dead; insomuch that many said, He is dead.
27 But Jesus took him by the hand, and lifted him up; and he arose." Mark 9
Thankfully God is the answer. Listening to the Holy Spirit includes us not being empty but filled with God and His Word.