I used to go once a week for about a year, but neither
CBT nor DBT were really effective for me whatsoever and my Asperger's made it more difficult to be compliant with these treatments, especially the group DBT as I just couldn't function with other people present at the weekly therapy sessions.
So now I don't go to therapy whatsoever, I just go and see my social worker every now and then to discuss things and see a psychiatrist about once every month or so to discuss my medication.
RB.
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Bipolar life has it's ups and downs
Currently experiencing slight relapse into depressive episode but overall stability for almost a year!