Unkown Powers

Every since I was 5 (I'm 15 now) I have seen spirits. By now I'm used to it. I've always known I've had some kind of sixth sense but I've never really fully understood what was going on with me. It seems the older I get the more stuff I'm developing and realizing. Like I said I have always been able to see and sometimes even communicate with ghosts but it's not just that. I have dreams about places that I've never been to before in my life and then somewhere down the road in life I end up at these places that I dream about. Not only do I dream about things that eventually come true, my dreams always involve spirits. The weird thing is my dreams are so realistic but I know I'm dreaming. I can always remember my dreams and every single detail about my dreams because it's so realistic like I feel like I've actually gone to these places. Also when I start talking about stuff like this with people can feel what they are thinking. I can just feel that they are skeptical even if they say they believe me. For instance last night I was talking to my boyfriend about all of my weird experiences and out of no where I get images that pop into my head randomly. An image of a man popped into my head and I could just tell he used to be in the military, he smoked and he was related to my boyfriend somehow. I told Josh (My boyfriend) the description of the man I was seeing and asked if that fit the description of any of his family members, it fit the description of both of his grandpas. I was determined to figure put which grandpa it was, then all of a sudden the letter G popped into my head out of nowhere. I asked Josh both of his grandpas names and neither of them started with an G. So I asked about middle names and come to find out his grandpa on his moms sides middle name is Grant. I know this seems crazy but both of his grandpas are dead and I have only been dating this boy for 3 weeks, not once has he talked about his grandpas. How did I know this?!? What are these "visions"? This is one of many stories about the weird stuff I've experienced and I'm sorry this story was so long and kind of jumped around with the topics. I just would really like to know what is going on with me. Am I crazy? Or do I actually have a sixth sense of some kind and if so what do I have?