Consult a doctor after two(I'm guessing "to" was supposed to be "two") days of fever.
He starts as a naïve young adult who is an outcast, but over the novel he finds personal strength and a chosen family through team work and perseverance, to ultimately become a demigod hero...hope this helps!!
The correct sentence is:
Every day there are more comments, and they are hard to ignore. The antecedent of the pronoun "they" is "comments".