When Ariana said to me a few years ago that she would like to go camping, I shuddered violently enough to spill my cuppa.  That's how much I love camping!! It's okay when you're little, and you don't mind the adventure of getting up in the middle of the night to slog through a field to find a dark, dank toilet to wee in. But when you're my age , the adventure is getting to wee…