One now, or Two in a Little While?

... this psychology experiment just ticks all the boxes when actually watchable ... (thanks to Jo)

Oh, The Temptation from Steve V on Vimeo.

I think my 'marshmallow' would be something to do with paper - a new notebook, a new hardback, a set of pencils ... 

So ... what's your 'marshmallow' ??

The one little temptation that you couldn't wait for, even on a promise of two, a little later?