I feel guilty writing to express sympathy as reading it will just make you feel worse!
We will understand if you are absent for long periods or if your postings are shorter than the usual 250 lines
The important thing is to not make things worse while you get yourself sorted - and on the good days give work the priority over us bunch. I'm not religious or superstitious but if I was I would pray for you and keep my fingers crossed, unless one invalidated the other of course....