Clairvoyance just means to see beyond the range of ordinary perception. If you've ever had a hunch, you've experienced it.
I've never met anyone who could "read" the future. I think they are giving self fulfilling prophesies.
You can read about and do EFT on yourself. This website offers info and a manual.
http://www.emofree.com/
I'm reading a book called _Monsters and Magical Sticks_ that talks about ways to get unstuck. It gives examples of how psychotherapy can sometimes miss the mark and gives empirical evidence of quick and effective relief from suffering.
I hope you'll share what you learn with us.