Please don't be there and unsell your house! I had an elderly woman totally enjoy the showings, it was a social occasion for her and she loved to hear the compliments about her house while at the same time offering too much information. When a buyer likes a property, he will start to find faults, to talk himself out of it. We understand that but you will naturally be offended. It may be difficult to remove yourself but then the buyer and agent can talk freely, the agent can gain more information from the buyer, the buyer can sit down and get the "feel" of living there, can rearrange furniture mentally. Your agent will get feedback from the buyer's agent succintly and quickly so you'll still lknow what's going on.