Context: No , that thought just got his heart pounding that much harder and forbidden images trying to pop into his head . Very , very dangerous images that he could nonetheless not deny himself the pleasure of in his twisted imagination .

Question: Why is the narrator struggling with his thoughts ?
Options:
0. The narrator is feeling horny but does n't want to really act .
1. None of the above choices .
2. The narrator wants to gamble .
3. The narrator wants to drink but is an alcoholic .
Answer: 0