You know the saying “Keeping up with the Joneses?” Well, hold the thought: it turns out that Gen Z and Millennials are actually now more inclined to kick the Joneses to the curb. According to a recent Credit Karma survey, 47 percent of Gen Z and 36 percent of Millennials have considered ending friendships because of a difference in spending habits. Many, the survey finds, have already gone into considerable debt to afford their friends’ lifestyles. But do you really have to call it quits? Accord