No, I can see everything. Food eaten, activity, calories eaten, calories burned, custom measurements, body measurements, mood, weight change, and beer consumed. Wait, beer consumed??!
The bugaboo is that a person's journal (I suppose at least ONE part of it) must be PUBLIC FIRST, so the journal can be searched for in the search box so that a friend request can be made. Here's what happens when a person's journal is set to private:
Great question. Once I accepted you as friends, it became mutual, as your name appears on my Friends list.