I came across this post today about an engineer who had failed the CCIE Lab exam 3 times and was losing the will to go on. It was written by Emmanuel Conde and has some great advice from CCIE’s who have been there and got the t-shirt.
advice-from-the-experts-to-frustrated-ccie-candidates
Some sensible advice in there, and the bottom line is Everest can be climbed!
I can totally empathise as I went to the lab multiple times and you do feel like you are just handing over your money to Cisco, but on that passing attempt you actually realise how un-prepared you were in your previous attempts.
Enjoy your studies.