...and has yet to attain the level of awareness at which appreciation of mustard is acquired. Patience, Grasshopper... one must learn to ketchup before one can grey poupon!
Grey Poupon is the finest of Mustards (well, in American consumption terms anyway, lol). I have had finer!
Mustard tastes like a boost of zwangy flavor in the midst of a dark world. It's a kick in the mouth. It's strong, flavor-packed, and goooood. That's what mustard tastes like. It tastes like itself. Nothing can compare, i think.
Is largely vinegar. However, the mustard seed is such a potent flavor, you can't taste the vinegar much. The chemical in mustard that gives it the tangy burst of flavor, by the way, is a blister agent. Small doses are best.