Final answer:
Henry's exact thoughts are not explicitly stated, but he may be elated at the news.
Step-by-step explanation:
Based on the provided text, it is difficult to determine exactly what Henry thinks of the situation. However, we can infer that he may be elated at the news.
The text mentions a 'sort of fascination' and suggests that every man would like to have their courage tested.
This implies that Henry may feel excited or intrigued by the idea.