. >> the city of nagano will never be the same. >> reporter: his real love was boxing. >> the path to the title runs through mike tyson. >> i did some stuff in the '70s with ali. i got to go road work with him in the '70s. that was a memorable time. and then we started with the big ones, sanjay. it was a wonderful golden age in the '80s with sugar ray leonard and marvin hagler and tommy hearns and the tyson years came along. >> reporter: these days it's about love taps from 5-year-old giovanna. it's not his first time around. he's had two previous marriages, three grown kids, melissa, jason and katrina. he's had plenty of regrets. for a long time, nick charles had been searching. >> i really wanted happiness and i just hadn't found it. at 45 years old, meeting corey, i did immediately and having a baby come into the world and a girl, which i prayed to god for every day, make it be a girl, make it be a girl. >> reporter: it was. and nick revels in every moment with his girls, giovanna and his wife, corey. the one thing nick doesn't have is time. even giovanna knows it. >> you don't get