Heh, secretive even over mundane things like cooking.

[Yamato's lips twitched briefly into a ghost of a smile before his expression flattened into blankness. He sipped his tea, then grimaced when he realised he had reached the bottom, leaving dregs. He swirled them with a sigh]

What compelled you to do this, though? You say it was curiosity over human taste, but is that really all?