Regret and Desire are linked

Two sides of the 

same coin

One is a look back,

the other forward

What we had;  what we long for

attached to 

what we want,  

what we need

The French use the word

envie

I just say

Sarah 

^{The title of this piece is a quotation from this node:  f#a#∞}

^{thanks go to its author}