Lots of children are brought up without their father playing an active role in their life - whether by choice, or by circumstance.
And that's why organisations like Big Buddy exist: to provide children with a strong, positive male role model in their lives.
Generally you think of Big Buddies as being older gentlemen - maybe whose own kids have flown the coop - who want to make a difference in someone's life.
But, interestingly, there's been a bit of a demographic shift in recent years.
We're joined by Isaac Vivian and Nat Milnes ... two Big Buddy mentors, both in their early 20s.