At some point in adulthood you realise your parents had a life before you were born. They used to be young and different. Maybe they were cool, and you could have been friends. Doesn’t it make you curious, to see the places they have seen, to walk through a foreign city, to visit the house where they used to live?

I have quite a peculiar friend. Perhaps, me being who I am, that is not surprising. Still, this one is remarkable. Three years ago we met in class, where he…