“But etiquette and relationship expert April Masini, who runs relationship-advice forum Ask April, sees it differently. “When a person is late, you’re seeing a personality trait that’s about being self-involved. When you have a meeting or a start time and someone misses it over and over, they are giving you a little, silent middle finger.” “There’s a woman who always waltzes into meetings 15 minutes late. Meanwhile, I skipped breakfast with my kids so I could get there on time,” adding that five other people were also on time. “Selfish and inconsiderate,” she says.