In the environment of the Homann publishing house Mayer gets to know his wife: At the age of 27 he marries Maria Victoria Gnüge with whom he will spend the rest of his life. Already the year before, he accepted a professorship in Göttingen. The journey there is also his honeymoon. Along the way, he keeps track of places and distances and later creates the Nuremberg-Göttingen travel map with the help of his nephew and travel companion J. A. F. Yelin.