Well me myself, I don't even consider myself to be a psychic, I just 'coincidently' see things that maybe become reality in some sort of shape or form.
I'ts impossible to tell the future fully, okay so maybe it can be shown, as I see in dreams, I was concerned for my grandfather as I had a nightmare of him being in the hospital with tubes and a patch on his neck...I later, a few weeks later, heard from my mum telling my dad that my grandfather was ill and that he had cancer which upset me dramatically especially as I'd been so worried about my nightmare in the first place and so had told people about it, when I told them, they were as confused as me...
This is the sort of experiences that can happen, but you can't just turn these things on and off well, not me anyway
as in the past tense...the other day my mum waslooking on a family tree maker thing on the internet, it had a section that you could click on the year, and then on the months. I just got the date, 1974 springing to my mind, I told my mum 'mum, try 1974' she asked me why and I just said 'it's a feeling' she looked, and sure enough, February 1974