I once went to BAM to see an experimental piece by Robert Wilson, The Forest. It was typical Wilson: slow, dense, heavy-going. Not exactly a crowd-pleaser. During Act One, about 15 minutes in, I could hear a buzz of conversation a couple of rows away. It was an elderly couple. It became clear the wife had suggested seeing the play, and persuaded the husband to go along. He hated it. He was saying things like "We coulda seen Big River, but no, you hadda see THIS!" She tried to defend Wilson, but sounded defensive.They squabbled like that all through the act. At the first intermission, they left.
During the rest of the show, I found that I missed them.