She nods. I lace my fingers with hers, and we head down the beach, the water lapping at our ankles. "I don't know what got into me," she says. "In a matter of one night, we lost four people. Any one of us could be next."

I give her hand a squeeze. "Hey, don't think like that."

"It's hard not to."

"I know." I sigh. "Promise me something?"

"What?"

I tug on her hand, and we both stop. "If you're feeling overwhelmed or sad, please ...