. >> whitaker: gavin was a groomsman at joey's wedding.>> make-a-wish is sending you to the daytona 500! ( cheers and applause ) >> whitaker: at a school assembly, gavin learned he'd get his wish to go to daytona and meet his hero. then, it got better. logano had flown to arkansas to be part of gavin's surprise. ( cheers and applause ) gavin may have a serious disease, but, as you'll see, he doesn't take himself too seriously. so, gavin, tell me, you are fighting a rare form of muscular dystrophy. >> grubbs: yes, sir. >> whitaker: how does it affect you? >> grubbs: main thing is i don't have the strength of a normal kid my age. obviously, i mean, i'm in a wheelchair, but it's not all sad because, i mean, you're... when you got a disability, people give you free stuff. ( laughs ) people let you do cool things. i'm not saying i take advantage of it, but yeah, i take advantage of it. ( laughter ) and sometimes i feel a little bad for taking advantage of it, but, you know, it's worth it, hanging out with this idiot.