At least sometimes, I would like to not worry about 割り勘. And (at least initially) I would not like to worry about knowing when and who should オゴリ.
When I'm out with co-workers/friends for lunch, or drinks after work, at least sometimes what if I were to say:
And then just drink water, or maybe just one beer.
How does 断食 sound? Does it make a native speaker smile, shrug, and be like "whatever"? Or does it sound really weird and out of place? It has a strong connotation of Buddhism, right? How strong?