Step aside Myers-Briggs! Here's my latest psychoanalytical tool, for distinguishing between two fundamentally different types of personality.

When your subject is offered a food item that they don't recognise, do they say:

• Ooh - that looks interesting - thanks!

or

• Mmm... Err... What is it?

Ponder that for a moment. I think we can agree -- ignoring for a moment the statistical noise introduced by actual allergies -- that this simple test reveals a great deal about how someone approaches life in general.

It's certainly, I would suggest, something you should check with a potential fiancé before dropping the big question, for example.

And when recruiting key personnel for your next startup, I suspect this simple test may be more effective and revealing than many more formal recruitment methods.

But even if not, you've got to admit it's a lot more pleasurable...