Replying to bindings....dont release?

Alright I have last years Skogens... and the Look Pivot 12 bindings, the din is set at 5 and they have not released and let me tell u... i have fallen HARD I am 5 foot 10 inches and I way a wopping 125 pounds (im skinny) but right before I left the shop i told the lady i did not want them to release when they shouldnt and she said well its your knees, so i said well 5 isnt that high, i dont no if she did something so the do not release at all? they say on the thing set at 5 and i know they are but is there any possible way to make it so they never release.... i need to no, or i am afraid to fall.... maybe i just havent lande and twisted my ski yet? please help me here....

whos in da house, SACA is in the house!!! hahahahmuhahahah