There is a time and a place for small talk and, usually, passport control is not it.
Suddenly, the dedicated followers of fashion have become fascinated by the fight game - and I'm not talking about it just as a sport competing with football, cricket and rugby as one of the nation's favourite activities to take part in and watch.
Alan Hubbard: My 2020 vision - a year of triumph, contention and more shattering of the glass ceiling
Last year British sport witnessed high drama on the cricket pitch, rugby field, athletics track and in the boxing ring, while embattled football went to VAR.
Being hospitalised last week, I missed Sky's the pay-per view telecast of the event in Saudi Arabia in which Anthony Joshua regained his various world heavyweight tille belts.
He may sound like a French pop singer, but there is only one hit parade that Daniel Dubois aims to top - the heavyweight championship of the world.
“Seconds Out!” is probably the most familiar phrase in boxing, but there are many in the dark old trade now thinking it should be “Seconds In!”.
London will witness a ring rarity this weekend, when two Olympic boxing gold medallists collide at the O2 Arena for a professional world championship.
Nelson Mandela was bang on the button when he declared: "Sport has the power to change the world. It has the power to inspire, the power to unite people in a way that little else does. It speaks to youth in a language they understand. Sports can create hope, where there was once only despair. It is more powerful than Governments in breaking down racial barriers. It laughs in the face of all types of discrimination."