“Not So Deep As a Well: Collected Poems” by Dorothy Parker:
The friends I made have slipped and strayed,
And who’s the one that cares?
A trifling lot and best forgot —
And that’s my tale, and theirs.
Then if my friendships break and bend,
There’s little need to cry
The while I know that every foe
Is faithful till I die.
[Wonderful. Mournfully funny.]