>>I was allergic to yolk, mustard and gunpowder smoke. Nothing big, I'd get a bit of a rash in a couple of places, or my palms would itch and redden. It would go away in a day. The gunpowder was funny to find out - we had those little toy guns with a paper tape and a bit of gunpowder between the layers of paper, and the hammer would hit it and ignite it, with a nice bang and a bit of smoke. Seems to be I got a particle in the corner of my eye, and that's how we found out.
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>We call then cap-guns. Nowadays the gangstas have ruined that by referring to "popping caps" in each others' @sses. That's what we used to do as kids (though we aimed at each others' torsos :-)
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>So you didn't get on with mayo then?

There wasn't any when I was a kid. I think I first tried it when I was about 15 or so.