We all have “that friend” — the person who came back from a trip and was never the same. It might even be you.

Whether you’re constantly mentioning your vacation or you’ve suddenly started wearing a beret everywhere, we understand. Some vacations are just too good not to talk about constantly.

Read on to see if you — or a friend — have caught this particular travel bug.

Indulge in one of England’s best traditions (and bring high tea back home)

1. You’ve picked up new habits

Before your trip to London, tea was just a hot beverage. Not anymore. You’re really into afternoon tea now. Something about sipping Early Grey on a boat tour of the Thames while nibbling daintily on cucumber sandwiches got to you. And now that you’re home, you can’t go back to your life B.L. (before London) — not when you fully understand what it means to be British. There’s no problem that can’t be solved with a cuppa (milk and one sugar, please). Who needs coffee, anymore? It tastes awful with crumpets. The new you is bringing afternoon tea to the office. Your coworkers are going to love you.

2. You tell complete strangers about your vacation

You can’t stop talking about your trip. At all. Weeks after the fact, you’re still telling the delivery person about how punctual they are in Germany and wouldn’t it be nice if things were that way here, too? Your neighbor also gets an earful (he didn’t ask for it). You even start talking to the lady sitting next to you at the cafe about your trip to the Elbphilharmonie in Hamburg. All she wanted to know was if you were using the extra chair.

Wearing clothing and accessories you bought on your trip guarantees an opportunity to talk (more) about your trip

3. You start wearing “authentic” pieces of clothing

Ever since you spent those two weeks in Vietnam, you’ve never been the same. Ho Chi Minh City changed you. Your guide on that tour of the Mekong Delta was wearing traditional clothing, so you bought some too. And that nón lá hat? It’s perfect for sunny days.

4. You’re basically fluent

Vacations can be transformative. In some cases, they even turn you into a master linguist. If you find yourself rolling your r’s and correcting a family member’s pronunciation, embrace it. You know that it’s a kwa-son, not a cruh-sant. Bonus points: post bilingually on social media just to remind everyone where you’ve been. #happybirthday #bonanniversaire

The thrill of your first wave might make you think about giving notice

5. You might quit your job

There’s a new life waiting for you in Sydney. Australians (or Aussies, as you call them now) are chill. So are you. The lifestyle really suits you. And you know, you were never really made for the 9 to 5. It’s just surf and sand from here on out, baby. Consider packing your boardies, mate. There’s a flight out this arvo (afternoon)!

6. You’re just different now, ok?

Ever since your trip to Italy, you’re convinced you can get away with munching on little biscuits for breakfast like they do in Rome. In fact, you drink a daily espresso (no, not expresso) while standing. And don’t even get us started on authentic Middle Eastern food. None of the restaurants at home get it right. You’ll have to go back to Dubai.

You know the best things to do, the best places to eat — and you were only there a week

7. You’re a travel authority

Who would have thought that a mere week in Reykjavik would make you an expert on all things Icelandic? Lucky for literally anyone you speak to, you know the best places to eat, things to do, and essential phrases. As a cultural steward, you can (and will) answer any and all questions. Ekkert að þakka (you’re welcome).

Have we described you, a close friend, family member, or neighbor? Tag them in the comments and tell us why you can’t stop talking about your vacation.

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