Yes it's completely totally normal to have an ever increasing lump in your chest during a hatch complete with panic attacks and obsessive compulsive checking on the bator and willing the lil things to grow strong. I didn't sleep last night waiting in these partial zippers they are freaking me out with their beaks half out chirping now and then but not making any efforts to come out. I'm trying to be zen like and reading here to distract myself
Can you take a photo of the candling? Don't toss any unless you are sure they are duds. Fingers crossed for your eggies.