"Thank you for your offer, but it's okay. I can walk home." Although he's touched that his favorite teacher in school offered him a ride to home, he can't accept it. Don't get him wrong he wants to accept the ride, but he doesn't want to be a burden.

Tim is used to being forgotten by his own parents. His parents always forget to pick him up from school, so why would it bother him now? It's not a big deal, it has never been.

Right?