strange occurences

Actually, I have had many strange things happen to me especially in the last 4 years since my brother passed away. I have been visited by several spirits -or atleast I'm theorizing they were spirits- I know when the spirit portal opens -again I'm theorizing here- because the room seems like it gets hollow or some sort then I get a tingling electricity in my spinal area that goes through my nerves. But most of the time I see my loved ones in my dreams like my brother. There are times when I close my eyes and I can actually see faces everywhere, sometimes they have bodies, but mostly just faces as if they're plastered on a wall or a totem pole of some weird sort. It's strange and I don't consider myself psychic at all. If I were, I would have won the lottery by now. LOL