Justin Griffith, 27,  kisses his youngest son, Lucas, in his front yard in Farley, an area of Paducah, Ky. nicknamed &quot;Farlem&quot; for its low income demographic. Justin is a young father taking bible classes through the mail to become a pastor. Two of his boys are his fiance's sons. &quot;It's one of the great feelings in this world when they started calling me dad,&quot; he explains. &quot;Not something I made them do so when they first called me that, my heart just melted.&quot;