O.K. that doesn't sound too bad. It's not ideal, but... I think this baby will need some help getting out of the egg when it's ready, but leave him as long as his happy and talking to you. Give him time to absorb the blood and the yolk and in a few hour's time you can have a look. I think the best way to do that would be to take off a little of the shell and wet the membrane so you can see of there's visible blood vessels. But don't worry about that yet. His o.k. and he's breathing. So try to relax now and keep talking to him and keep an eye on the humidity.