. >> reporter: 16 months ago, when a baby named talia was born to farra and george rosko of jackson, keirsten miles, then still a college student, had never heard of the roskos. by chance, mutual friends got them in touch. after which keirsten learned two things. first, that she really liked talia. >> i just had a really strong connection with her. after caring for her for such little time. >> reporter: and second, that talia needed a liver transplant. >> i already knew that my blood type was a match. >> reporter: which is when kiersten said, take part of my liver. volunteering to be what is called a living donor, giving talia part of her liver in a procedure that's performed more than 300 times a year in the u.s. and where keirsten learned when she researched it, recovery can be very tough on the donors. sometimes taking months. and yet -- >> if i hadn't done anything, i think it would have really killed me inside chlgts. >> reporter: and so, a few weeks ago, the surgery went ahead. and here they both are, all signs are very positive for both donor and recipient who met by chance. b