FIRST, I NOTICED the owl. “Peter! Did you see the owl?!” Our last Airbnb in Spain had a ceramic owl. So, when I found a similar owl—in a similarly inconvenient location—I took it as a good omen. “What owl?” my husband, Peter, said. Then I found four more owls, bringing our tally up to five. “Five owls! Now, I know this is going to be a good trip!” “Huh,” Peter agreed. (Sometimes Peter’s not…