A Vampire's Spit

As if they know I stayed home today, but after realizing my absence from school I'm sure their words will become sharp and cruel.
Even if I were to tell them of why  I stayed the chance of them believing me is unlikely.
Though they tell me I will be the first person in Modern North America to die of a common cold they just don't understand.
My immune system is weak,
My diet is limited for my stomach rejects the most I eat,
My mental health is on the break if not broken.
I can see myself dieing of a common cold.
I don't know where it comes from, the illness may have just always been there.
.....
You'd think the amount of doctors who call me would cause my body concern,
But however it doesn't bother me
For this is a common occurrence.