Ok, my Okeetee corn snake has been very friendly, loves to be held, eats great..one pinkie each Tuesday (he's 15 inches, very small) but as of yesterday you can't touch him. He rattles his tail like a rattler and coils back to snap at my hand. He did look like he was about to go into shed (eyes were blue) but he never did shed and now eyes are black again.

Will he go back to normal or stay mean like this? I don't know why he changed. Is it because he is trying to shed or that time of year or what??
Thanks