. >> enter jason hobbs. >> for lack of a better turn, we're brothers. >> for year, they were paramedic partners, going on hundreds of calls for highlands county, saving lives -- >> he doesn't have to verbally to do something. he says he's always cold, he'd have a space heater on his feet in 90 degree weather, and he said i'm trying to get op the waiting list, i was lik trabs plant? >> a potential wait of years turned into a few tests. >> never in a million years did i think i was going to be a match, and at that, a perfect match. >> just as when they were partners, jason didn't have to think about his next move. >> you still want to go through with it, on a scale of 1 to 10, i told her a 12. >> on december 12th, both will go into surgery at tgh. jason's kidney will become chris'. >> i don't think it's quite hit me yet. >> chris notes that jason can pressure, it's just that his entire life is about to change. >> i really don't know what to expect. i don't know how i'm going to feel. they say i'm going to feel like i can run a marathon the second day. >> for him and his family, him being

. >> reporter: enter jason hobb; lack of a better term, we are brothers. >> reporter: for years they were paramedic partners going on hundreds of calls for highland county, saving lives -- >> he didn't tell me verbally to do something. i now what to do. >> reporter: and thinging their own. >> was always cold. had a pace heater on his feet in the middle of 90 weather. he said i am trying to get on the waiting list. i said what's the protocol for living donor transplant. >> reporter: a potential wait of years turned into a few tests. >> never in a million years i would be a match, and a perfect match. >> reporter: just as when they were partners, jason didn't have to think of the next move. >> do you want to go through with it on a scale of 1 to 10 and i told her a 12. >> reporter: december 3, both will go into surgery. hit me yet. >> reporter: chris notes that jason can back out at any time. no pressure, just that his entire life is about to change. >> i really don't know what to expect. i don't know how to feel. they say i will feel like i can run a marathon the second day. >> for hi