Big Mac has a close bond with his sisters and cherishes his relationships with them. In The Last Roundup, he tears up when he learns that Applejack has decided not to return to Ponyville. In Brotherhooves Social, he goes to great lengths to win Apple Bloom a blue ribbon at the Sisterhooves Social, and it is stated that the two were considerably close when they were younger. In the same episode, he is shown to harbor feelings of inferiority and neglect whenever Apple Bloom praises Applejack for her heroics, and becomes envious when Apple Bloom begins spending more time with her for this reason. In Crusaders of the Lost Mark, he sheds tears of joy and pride after Apple Bloom earns her cutie mark.