Wine: Why chenin blanc deserves your cellar space

I was asked by a reader to name my favourite white wine. Another one of those desert-island questions. After a few minutes of thinking, I told her I couldn’t answer that, but my favourite grape variety is probably chenin blanc.
A quick stroll through my wine cellar will reveal it is the wine that I collect most, followed by Alsatian Grand Cru pinot gris. Why does chenin blanc take up so much space and, more importantly, so much of my wine budget? I have many reasons. So to continue my ques