If you aren't equipped to argue a point (ie, the losing side of the argument) simply start asking the other side questions. You'll either learn more about their position (and thus be able to argue against it more effectively in the future), or their argument may implode in on itself and you'll win by default.
The fructose sugar compound (as opposed to the sucrose sugar compound which is present in common table sugar) is good for hangovers, as the molecule is "known to decrease the toxicity of ethanol."
If you don't have an iron but you do have the time, you can give a crease to a plain pair of dress pants by folding them in a way that the pants should crease, pulling the pants through the negative space of a clothes hanger, and hanging them for a few weeks.