After a long workout (going from memory here) - water. Or Diet Squirt. Never a diet coke. Heck, I'm still that way even on minor workouts. h2o first, then diet squirt or diet vernors. but not h2o followed by those. Now weirdly enough, if I find my sugar level is off I reach for the latter two, even though they have the fake stuff. I don't get it.
Cheers.