Two questions:

2) Garlic produce the same sensation of pleasurable lingering?

1) How does you household manage cutting boards, if you use them, for fruit such as apples and for the pungent trace leavers?

"Management" generally consists in some soap and a rinse.

Your onion management tale makes me think of a possible discussion kick off for a computing in humanities class: is a cutting board more like a hard drive or more like memory?

Thought I would tie back a link to a popular science piece on why onions make humans cry:

http://www.newsandevents.utoronto.ca/bios/askus39.htm