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There are a few reasons why you might not see posts on this friends page:
t_s_v might have no friends defined. If you are t_s_v, you can
edit your LiveJournal friends
so they show up here.
t_s_v might have friends defined, but all of their friend's posts might be over two weeks old (according to the times on our servers), and thus wouldn't be displayed here.
t_s_v might have friends defined that post only protected entries that you can't view, because they haven't defined you as a friend in return.