I don't know. I know my dad tought me to scratch the last bit out of the jar for himself having lived hunger after the war. I will teach my children to do so, too because it just feels right so deeply. I would feel so arrogant, throughing away a spoon full. Food is somehow intrinsically valuable even though we have plenty now.

That said and seeing your dad tought you the same, I hope you still don't waste the mayo ;) 

 I may not longer *need* to scrape the jar, but I sure as shit will continue scraping it! That is instilled in me forever. 😂 

 Forever Laura