since were all sharing anecdotes about how coffee affects us ill go ahead and say that coffee does nothing half the time and the other half the time it makes me poop.
Today Elf has learned the concept of acquired taste.
Luckily, in my country, we are introduced to coffee from childhood, so by adult age pretty much everyone likes the stuff.
This whole omake is my experience with dirt water...er, coffee. I don't know how you people can do it, but respect to you. For me, nothing masks the godawful taste.