I have 2 silkie eggs in my incubator 1 started peeping and pipping on day 19. the other one idk what happened. the one that pipped, pipped twice, and hasnt pipped or peeped since. today is day 21 and nothing has happened. should i be worried or just wait a couple of days to see what will happen? or should i try to help the pipped one? i cant see the membrane so i cant tell if its rubbery or sticky or anything. any information will help. im new at hatching so idk. please help!!!