rub her and hug her and say, i'm so glad you survived through the night last night. >> matt had been deployed to afghanistan. and the only thing he could do to help was start scouring the internet. and he stumbled on to this video of a child using marijuana. >> how is everything going? >> four days without seizure. >> i'm like, wow, having success. this is interesting. it is natural. >> and while he couldn't ever imagine taking marijuana himself, he was now in the stunning position of recommending it for charlotte. >> i was like, we need do this. >> and i said, i don't know. >> and then, charlotte's condition got worse. >> 300 seizures a week. almost two every hour. she was not talking or moving. basically cat tonic. as a last resort, doctors wanted to prescribe a powerful veterinary drug used on