Everything's Just Duckie

I'm hoping another egg will hatch to keep my little friend company.  He is very frisky and perky when I sit next to his cage.  Another egg has a peep hole in it and I can see movement.  A duckling can take days to break out of his thick egg.  A hook on the beak is used as a tool to crack the wall little by little.  It's important not to interfere, although it is tempting...