In disagreeing with Paris’ argument that girls even younger than Juliet have made happy mothers, Capulet puts a clever spin on two proverbial expressions. The first one, “Marriage will either make you or mar (ruin) you,” implies that marriage brings either happiness or sadness, and it’s hard to predict which will occur. The second proverb is even less enthusiastic about marriage: “Marrying is marring.” In other words, marrying ruins your life.