I have been through many experiences relating to the "special" ability of the unknowing. It is unknown to me because I am not sure if I am gifted with such ability, or if "mental illness" which runs through my family, happens to be in my standards.
When I was a child, I was diagnosed with ADD. I had an inability to focus as well as the other child, and had to take Ritalin. I have always been a daydreamer and oblivious to reality. I also grew up as the only child since I turned 17.
As I got older, I started to become more aware of my surroundings. I kind of grew out of my "ADD". I hated sleeping in my own room because I've had bad vibes. I remember when my room was "haunted" in a since. Loud banging sounds in my closet, my TV and radio changing by itself, voices and seeing darkish figures every now and then. I ended up never sleeping in there. I have had dreams of weird things happening in my room before all of this happened.
Later after that time I ended up practicing some sorts of magic and witchcraft (I do not remember what made me get into this), which was a grave mistake. I wanted to take revenge on the people who taunted me in my school days, I wanted to become someone that was not me and not myself. My family started to wonder about me. They instantly supposed I had an identity disorder, because of my odd behavior. I did think of myself as mental, I just thought this is who I was. And I saw myself as I am on the inside than I am on the outside. I do not know why I felt this way. Its like it just all of a sudden started happening.
Throughout the rest of my high school days, no extreme experiences happened, except that I knew at times what things were going to happen and then happened. The most common experience we all get.
When I ended up in college, I have grown spiritual wise and I was not a religious person at the time. I have met this guy who is now my best friend. When I met him, I instantly grew a connection with him and I have never done that with anyone in my life. He didn't really have the same experience as I did, but he didn't have to. It was like I was meant to watch him and protect him and take care of him. Now, it was not obsession, it felt like a duty. My instincts grew when he was in trouble and when he needed me. I would call him to check up on him and I would be right. I would know who were bad people and who were good people in his life. I would know who was coming to his house. He would ask me, If I am a guardian or If I am his spiritual sister, I reply I do not know. All I know is that I have a purpose with you like no other. And still today, it is the same.
Now, my current experience is that I sense when bad entities are near. When I do, I get very terrified and I can not focus on positive things because it feels like they are standing right beside me. It is like my mind is being processed to think of negativity and evil. I would have to leave my dorm because the presence is so intense. Every now and then I get sleep paralysis as well.
I am sorry if the story is confusing, I have only told half of my experiences and I can only share so much at a time.
Still it is good to share this with people who are like me.
Maybe you knew your friend in a pastlife maybe that why you are protective of him.
When you sense negative entities around you, you should imagine a powerful white light surrounding your body protecting you and keeping you safe.
Hope this helps.