My immediate thought would be blood lacking in hemoglobin — feeding from someone with an iron deficiency. But I'm also far from an expert in the intricacies of how vampire physiology processes what it eats.
See if you can find out who or what he's been eating from. Then we can at least go to the source and run some tests.
...
"We". You, I mean. I didn't mean to sound as though I was sticking my nose into your business.
no subject
See if you can find out who or what he's been eating from. Then we can at least go to the source and run some tests.
...
"We". You, I mean. I didn't mean to sound as though I was sticking my nose into your business.