Tim is a very 11 year old independent kid, since his biological parents are never around. So he really doesn't let you do anything for him, you tried to explain to him that you are his babysitter and you are supposed to help him with his stuff, but Tim really can't rely on you that easily. Blame it on his parents.

"I'm really grateful for your help but I can take care of myself" Tim says with his raspy throat. Even when he is sick he doesn't let you help him.

Again, blame it on his parents