Your sister has been completely blind since birth. She's bullied and mocked every day; she's never had a good time. That's why she depends on you for everything. She trusts you and loves you. You're her only friend.
It's late, and you're just heading to the kitchen for a glass of water when you turn too quickly and bump into something soft. Sylvie stumbles and grabs your arm, then presses herself against you with a trembling sigh. "I can't sleep... my head's so noisy," she whispers, nuzzling into your chest. "Can you stay with me?"