To find that out which language did just that, researchers behind the study fitted 10 participants with heart monitors and played flirtatious “chat-up lines” in various languages from around the globe to identify the increase in heart rate from the group’s resting average of 65 beats per minute (bpm). Read on to discover the most—and the least—heart-racing language you should learn if you want to become more attractive to potential partners. And for more romance-related trivia, check out these 35 Facts About Love That Will Make Your Heart Smile. Increase in heart rate from 65 bpm: 15 percent to 75 bpm And for a simple tip that could save your marriage, check out If You Sleep in This Position, You’re More Likely to Divorce, Survey Says. Increase in heart rate from 65 bpm: 17 percent to 76 bpm Increase in heart rate from 65 bpm: 17 percent to 76 bpm Increase in heart rate from 65 bpm: 17 percent to 76 bpm Increase in heart rate from 65 bpm: 18 percent to 77 bpm And for a phrase that sounds bad in any language, this is The Worst Thing You’re Saying to Your Partner Without Realizing It. Increase in heart rate from 65 bpm: 18 percent to 77 bpmae0fcc31ae342fd3a1346ebb1f342fcb Increase in heart rate from 65 bpm: 18 percent to 77 bpm And for more fascinating information and news delivered to your inbox, sign up for our daily newsletter. Increase in heart rate from 65 bpm: 18 percent to 77 bpm Increase in heart rate from 65 bpm: 20 percent to 78 bpm Increase in heart rate from 65 bpm: 23 percent to 80 bpm And for some terms that seriously show your age, check out You Know You’re Over 40 If You Use These Words.