"Ah, be careful ma'am." Tim says as he caught you before your heel broke.

Your father- mayor of gotham hired a bodyguard for you since there has been someone stalking you, leaving love letters in your room and photos of you anywhere you are.

So here Red Robin is. Your bodyguard- oh little did you know your father fell for that trap since this vigilante- Tim Drake was your stalker. Now he's been more obsessed and attached that he's your bodyguard now. He'd be following you everywhere.