Ugh, I hear ya! Are you chewing on yours? That was my biggest problem... ugh, makes me shudder just remembering (ughghgh!) Mine had just enough sensation left so I could feel the wet "crunch", you know? Just not the pain, to tell me when I was biting... Ooooooooh.
Of all the things I've had numb, I vote lips as the creepiest. What's your vote? :P I hope they're better soon!!!