Likes she dreads
The puzzle
Every time someone likes her posts, she gets more anxious.
Nobody is attacking her; the reactions are all friendly.
Why do the likes make her uneasy?
See the answer (spoiler)
Spoilers from here on. If you want to work it out yourself, leave this folded and move on.
Answer
The account is anonymous, and she uses it to say things she would never say under her own name.
Every like means one more person has found it, and she is afraid that one of them knows who she is.