Answer: fearful
Step-by-step explanation:
He is afraid of the bad weather because it is reminding him of something that left feelings of sadness and fear in him. He is saying that his physical wounds have long since healed but his mental wounds did not since he is always wanting to hide when he hears the slightest hint of thunder.
- His behavior is showing the trauma that his experience had left on him. He is not acting hateful, he is only scared that something like that will happen again.