What does shakespeare mean by the phrase cold demeanour” as spoken by brutus in this passage? physical strength unbroken resolve heightened awareness lack of enthusiasm?

Question: What does shakespeare mean by the phrase cold demeanour” as spoken by brutus in this passage? physical strength unbroken resolve heightened awareness lack of enthusiasm?

(1) lack of enthusiasm

(2) unbroken resolve

(3) physical discomfort

(4) heightened awareness

Answer (1) is absolutely right answer because we know that lack of enthusiasm is related to the phrase cold demeanour” as spoken by brutus in this passage.