Am I Gifted?

It all begins when I was about 3 to 4 years old. I would talk to people who weren't there. My mom thought I was being playful and called them my "imaginary friends" no matter how many times I told her that they weren't imaginary. About a year later my great grandma past. At her funeral (this was after sometime that my "imaginary friends" stop showing) an elderly man came to me and told me my great grandma was feeling a lot better now and shouldn't worry any more. A couple years later (about 7 or 8 years of age) I would get horrific visions of peoples deaths. Drowning, murders, old age. So I was really scared and went to tell my mom and asked if there was a magic pill to take so we wouldn't die. (what normal 7 year old worries about death?) When I was 10 my first dog died. (we lived in a rural area) We made him a grave in the back yard. Problem was the wold life no matter what we put on top of him kept digging him up. This happened three times each time I would see my dog and he would lead me to his dug up body and vanish. A little after this I had a deadly allergic reaction to peanuts. Nothing the hospital did was working if a nurse didn't hand bag me for 7 hours I would have died. The doctor even told my family I was almost legally dead and to call the chaplain. Three years later my step dad became abusive and I would leave my house at 8 am and not get back until late. I would visit a wooded area were I would see a figure in a long black dress. I tried following her a couple times but it would always lead to dead ends and no trace of her would be found. So on one of my little walks I went to a grave yard because it was the only quiet place in town. There Spirits would come up and talk to me every day. One that stood out was a old man that was still waiting for his wife who owned a local restaurant (that was real so was his wife) and he told me he wish he could tell her that everything would be alright. Me being only 14 didn't have the guts to do it. The old man understood and thanked me. Later that year I saw the lady in the black dress every day at a far away tree in the grave year. When that summer ended I finally told my mom what I have been seeing. She called me the devil child sent me to church every Sunday, and put me on anti-psychotics and therapy. She told everyone I knew, Everyone called me crazy and stop talking to me. For 4 years I have been suppressing that I ever saw anything ever and slowly forgot everything. Finally out from under mums wing and a wonderful supportive boyfriend. I had a vision. It was of me and my kind soul and of the world and spirits and how it's all connected. These last couple weeks I have been slowly getting my memory back. So I went to a grave yard today to see what would happen I wasn't expecting anything since I thought I was crazy (after all those years of trying to convince my self non of it was real) What happened was I felt watched. I knew something was there I concentrated came up blank. As soon as I go to leave I get hit with ringing in my ears and the feeling of something heavy on my chest. How do I know if I am not crazy or if I have a gift? If I do how can I improve it back to the way it was before (fyi none of the meds they put me on worked)