"but enough about my illness, i'm fit as fiddle again" what does we come to know about anne through this line? and of which day is this lines are??

Anne continues to be upbeat; she's anxious to move on past her illness (of which she gives a lengthy description) and get back to her books. At this time, their stay in the Annex is still considered something new (not quite a year), and Anne has hopes it will only be a temporary situation.

Wedenesday, December 22, 1943