understand this very well - it is hard to break out of the habit that has kept us alive.
we haven't been here for a while so i'm not up to date of your situation, but yes, breaking the bond with a friend is very difficult. even if it's unhealthy. but you are doing the right thing. in the end it will turn out ok.
been there, done that, got the t-shirt.
sending lots of strength your way
twilight
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花鳥風月
c'est tout ce que j'aime