Have you ever heard of a “self-fulfilling prophecy”? Don’t be so certain that you will experience frightening SP again. 
As Faraday said, give LD’ing another try. Just imagine: You don’t experience SP anymore and never will again, but still you are so afraid that you allow your fear to take the awesome feeling of LD’s away from you. A big loss, isn’t it?
But if you have to face SP again: Here are some tips about how to wake up from SP. 