Cosmo editor: this is the reason your sex-life sucks Most Widely Used Today You don’t need certainly to inform Joanna Coles how much Tinder sucks. “i’m detrimental to millennials, ” Cosmopolitan magazine’s previous editor, who’s 55 and hitched, informs The Post. Finding love has not been effortless, exactly — but the increase of apps, she claims, has totally modified the “landscape” of dating. “They’ve changed the way we think about relationships and exactly how we meet people, ” she claims.…