Some say that solo travel is the best way of exploring the world while reconnecting to our inner selves. Some others would never embark on an adventure without their travel buddy, and finally, we find those who love travel groups, whose motto is "the more, the merrier." However, airlines should not forget about another fundamental group of travelers, i.e., those who do not want to leave their pets behind. Indeed, increasingly, more people do not want their furry friends missing from the holiday portrait, which means they might need to bring them on a plane.