The SGAPI keeps a reference count on each edge, and that "me" edge still has 2 references, from these two URLs:
... which haven't been re-crawled since May/June. I need to teach the SGAPI to ignore edge refcounts from certain URL patterns.
SGAPI is really good at learning of edges, but not as good as forgetting them, due to issues like the above.
I just forced the SGAPI to reindex it now, though.