'Trà đá vỉa hè' (sidewalk iced tea) is a culture all of itself, with these much-loved and usually modest set-ups existing not merely for their thirst-quenching qualities but as a social lubricant.
I've become more Hanoian than British, and the subtle nuances of daily life here that once seemed at best charming, are now intricately woven into the fabric of my existence.
Want spaghetti carbonara at 2am? Grab. Want someone to transport a Christmas tree halfway across a capital city on a 100cc scooter at 10pm on Christmas eve? Be. Want your carefully manicured pangolin safely returned from the pet spa? Uber?