anxiety fear of past demon haunting?

[Guppy]

Our home was haunted by a demon for over one year. Half double home, so my family and 2 year old son and the couple next door spent a long year in constant fear. We finally found a priest to fix our home and get rid of the demon. It has been 6 months since and we were told no evil could ever enter our home again. The demon messed with me out of everyone the most as I am prob the most mentally weakest or fearful. There have been no signs of anything paranormal in the home, i feel comfortable once again. The feeling of being comfortable in my home was amazing the first few months. But now it is getting to the point where I fear it may come back or maybe it hid to make us think it was gone. I can't go through this again, it was constant fear and it really got to us mentally. Should I feel safe in my home knowing the priest said evil cannot ever enter again? Even speaking about our haunting scares me. We do not know why it came, we lived in the home for 3 years then one day it came. N either us or the other family next door are religious, however religion saved us and rid our demon. Is my family safe? Why would a demon choose to haunt us?