Sacha wrote:
I'm sorry

Just keep to this Sacha and carry on living. Please keep breathing.
It's a wonderful world out there. You will simply not gain anything
with doing what you are trying to do.

I have to agree with you that the loss of David is huge - but you are
entirely at fault. If you had refrained from being nasty and just
stopping at launching others into battles in vain, he wouldn't have
left. I am convinced he is as unhappy about the situation as it is
about you.