All I drink is water. If it's cold water, I'll drink it every time. When my niece stayed with us for a week so was so surprised (and I think freaked out) that we didn't have any pop in our house.
This is what our fridge looks like:
Milk and water bottles.
We drink water all the time and this pic doesn't even show my favorite water bottle, which I keep at work. The only time we use actual cups (not even glasses) is when we have company over and it's still weird to us.
When cold water is available, I drink it all the time. When I have a craving for junk food, I try a water bottle first and I typically (but not always) forget about the garbage I wanted.
I heart agua!