Why do British people always write "xxx" after their names?

Read also:

• What have I done wrong? How can I start over?
• What are Best Breakfast Places in Pune?
• How does an experienced gay/bi guy handle a bi-courius guy on his first time?
• What are the differences between Republicans and Democrats in their views of the government's role in society? How do these differences impact policymaking?
• Is there an ideal number of sessions in individual psychotherapy? Is there any point in continuing after reaching it?
• What is chudai?
• What are the basic human needs according to psychology? What are the consequences of not meeting these needs?
• Can you share any "backstage pass" experiences you have had at concerts?
• What steps have you taken to stop being a targeted individual by gang stalkers? What has worked, what would you have done differently?
• Was there any slavery of white people that actually compares to the transatlantic slave trade? I’m not baiting or anything actually genuinely curious and want to know.
• What does it mean when a British person says "I can't be asked"?
• What is the reason for writing X^2 as XX instead of X*X?
• If Russia needs the resources to fund the war in Ukraine, why doesn’t it throw open its doors to visa free western tourism? Enough people would be interested, & it would start to get some hard currency as €, CHF, £, SEK, $, JPY in the tills at shops.
• How do I get fit at home?