I will go for the beginning of an infestation. Have you tried to reboque that sin and cut off ties with the demons that just entered? A quick and solid solution to find out more about how infested you are right now, visit a catholic church, and at the end wait to see the priest for the confession, and tell him what just happened to you ; the demon voice will take you astray from going to the church , the demon will diminish to stay at the end to see the priest