You know, I think you're right. At the end of the day we probably got a lot more out of the nightlife tour. Plus, we found out that the river we were on was part of the Mekong Delta... so techincally. LOL.
And I'll keep the carbs in mind. As you can imagine, there are lots of carbs here from the noodles to the rice to all the fried foods. So thanks for the tip!
Coffee helps though. I hear they have great coffee in SA:)