Am Haveing 4 Theeth Out (2 each day Read More *) Really scared will it hurt ?

OK On this Thursday am having the 1st 2 teeth out a needle thing that will num it, i am really Scared, i had them out in the past but they were babys theses are perm's i really wanna know if it hurts and how to deal with the sacredness there not the 1st to in the mouth there on the side ops and on the 23rd august am having the other to out down below please some tell me !