So apparently the first post I ever favourited from this instance was this one, and it doesn't seem to exist on m.s anymore (at least under the URL in my database, which is https://mastodon.social/users/Gargron/updates/2332146):
(Yes, I went back through all my favourites in order to find a post that I apparently didn't favourite...)
...now if there was a way to quickly look through all the posts I ever boosted...
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