Once God puts His Holy Spirit in you, even you can not remove Him from you. If it could be done Satan who is more brilliant than any man could remove you by trickery or guile from God’s Hands. It cannot be, for the Promises of God are the most sure thing in the Universe. You can separate yourself from His fellowship, but you cannot remove what God has place in you.
Zombies we are not, sower of the seed story completely disagrees with you.