Work Text:
"What makes you want to drink that?" Bruce said, unable to hide the revulsion in his voice.
Clark blinked slowly and looked down at his mug. "Because it's really good?"
"Is it." Bruce said skeptically.
"The flavors mix in a really good way, Bruce! Makes the coffee sweeter and gives it a little buzz. I know that you appreciate the occasional sweetener in coffee and straight coffee isn't your favorite."
"Well yes, but this is absurd. And that is NOT a sweetener."
"For you, maybe." Clark shrugged and poured more antifreeze into his coffee. "And you keep it here for me for a reason.
Bruce made a face but didn't deny it it. A slight blush crept up his cheeks.