Decorum in a situation you've seldom encountered can be difficult to discern. You suddenly find yourself overthinking every movement, act, and word that comes out of your mouth to try and seem like you know what's going on and belong in that situation. So, then, what should you do when you have a contractor in your home? I'm sure we've all shared in the awkwardness of this experience at some point. Are you meant to try and help them or offer assistance? It would be polite to offer them a glass…