She seems to be getting younger, must have had a birthday. In July she was 20, and in August she is 19. Apparently also not very busy, since she was looking for her "first" in mid July, then again in early August. (Of course she was older then)
Good clue is to search the phone # when using CL, that way you can see what else pops up. Also, sometimes it is the same sp, different names (not a good sign) or it becomes clear it is an agency (or micro, I suppose) when a half dozen different sp ads pop up when you search.