After energizing a bit at breakfast this morning, I decided to scrape out what I think is "crud" on top of grout on the counter:
As soon as the wife saw me digging away, she wryly reminded me of all my mistakes from the past, and suggested that I go and find something to fix anywhere else - but not in "her" kitchen:
She wasn't convinced at all that this is pure crud, not grout:
Isn't it?