In issue #4, Batman corrects the statement that the death of Flash and the capture of Green Lantern can be simply described as "tough", suggesting some care for his teammates.
After his resurrection, Flash insists that he immediately rush off to rescue the rest of the League, a mission where it's been proven death is a real possibility. His reason is that he has to save his "friends".
When Ariel Masters meets Green Lantern, he is the only hero who actually impresses her. She outright states that he is everything that the legends promise.