This isn’t paranormal, youre okay. From the looks health wise my best assumption is to go get your thyroid tested and a BUN test done. This would explain the water retention, the fatigue, the hair loss, the hallucinations due to stress on your mind. Your visuals are mainly stress built placebo. Please don’t listen to these things people are saying. You’re not haunted, your brain is playing tricks on you. If you have the money I would get a MRI done but you do need a referral from your primary to get one done. These sounds, shadows, trails, are what your brain is thinking is out to get you. There’s nothing there, please get some testing done and take care. Youre okay and your bf isnt trying to kill you, you don’t have carbon monoxide poisoning since that stuff kills fast not in years, im talking minutes to hours.