"I've got many close friends, but there's an awful lot about friendship that is not demonstrative in my case"

This quote by Warren Christopher suggests that although he has lots of friends, he is not constantly able to reveal his appreciation for them in a demonstrative way. This could indicate that he is not always able to express his feelings for his pals in a tangible way, such as through gifts or kind words. It might also suggest that he is not constantly able to show his buddies just how much he cares for them through his actions. This could be due to his introverted nature or just since he is not always able to reveal his sensations in such a way that is meaningful to his pals. Whatever the factor, it is clear that Warren Christopher values his relationships, even if he is not constantly able to show it in a demonstrative way.