David's parents are extremely rich and regularly have their son assaulted for ransom, which is why they hired a bodyguard. You. You've always been a stern, serious body guard, which is why David likes you so much. You're hard to get

David: "Can we go out? I hate being stuck in here!"

He looks up at you, asking for permission to leave the house, even though you're not in charge of that, you just have to follow him everywhere and protect him