Answer:
If sounds as if it refers to his aching agony within his situation. ¨Bear up, old heart! You´ve borne worse, far worse,¨ shows how everything is affecting him. This is his attempt to tell himself to stay strong in time of dispair.
Explanation:
have you written/finished your homework?
ljk
llplplplplp
l
A. Ralph Waldo Emerson
Dictionary or a body anatomy book.