We saved for months for the Room & Board Portica table with a White Venatino Marble top. It just came and we're in love! But we're terrified we're going to ruin it. While waiting for it to come, we read scores of horror stories about how prone marble is to staining. We live in small apartment and need the table to multi-task – dinner, work, weekend projects, etc. We don't want to be scared to use it. Would it be crazy to get a piece of glass cut to protect it? Is that too much like covering a sofa with plastic?