Burn frankisence resin.Try also camphor discs over charcoals.It's unpleasant smell for parasites.
Use heavy salt baths (both of you) and srpinkle a little to the corners of the rooms.
Also you can try bay leave water (works very well).You put the leaves into water,you leave it some hours and then you use the water over your body,or even to purify places.
There are plenty of other teqniques to use as well.These are the simple and effective ones.
You can find some good stuff here about psychic defence.
https://drive.google.com/file/d/1IC3...PEAXwx3jf/view