Context: She had glanced away still smiling and when she saw that response her smile immediately vanished ! It was as if a photograph of her past love just appeared in front of her screen . This was only the second time she actually saw someone use that " word " . Her facial expression quickly transformed into one of discomfort .

Question: Why is the word that was used causing her such discomfort ?
Options:
0. She enjoys hearing that word .
1. It 's a great and lovely word .
2. It 's one of her favorite words .
3. It 's a trigger word that makes her feel terribly ashame of herself .
Answer: 3