I thought I'd try it out on my workmates, and it lasted ONE WHOLE DAY. After everyone who wanted to had tried it, I had four pieces left, so I thought what the hey and stuffed them in my mouth in true Bree fashion, and yes,

After that preamble, my only question is how much does it sell for in the USA? It's not available in the UK as far as I can see - or not in my bit of the UK anyway - and buying it on eBay works out a tad expensive at £3.94 or nearly $8 including shipping.
I've got a friend visiting the States in a few weeks and I was going to give him some money to bring me some more back.