That’s easy for him to say when he only has to be responsible one weekend a month.“That’s why we called you,” Sweet Caroline says. “It’s weird of her.”“Have you checked all her usual haunts?” Dad says. “Runyon Canyon, the yoga center, that colon cleansing place …”“Gross, daddy.”“It’s not my fault. Your mother is nuts now,” he says.Sweet Caroline clamps her hands over her ears.“You married her,” I say. “You must have seen something in her.”“People change,” Dad says.He’s looking at Mom’s altar as he says it. There’s a little picture of Guru Bharat on the table next to a candle. I never noticed it before.“Maybe they can change back,” I say.“Why are we standing here talking about unimportant things?” Sweet Caroline says.Dad sighs. “You’re right,” he says. “Let’s take a ride and see what we can see.”“Someone has to stay here,” I say.“Why?” Sweet Caroline says.“What if Mom comes back and nobody knows it, and we’re still out there looking for her.”“She’ll call us,”