I want to shag my therapist and its interfering with my recovery help?

Im married and in my thirties and have bpd. Istarted dbt over a year ago but recently i have become infatuated with my therapist. he is all I think of ...All i want to do is sleep with him...this is really upsetting me as its interfering with all aspects of my treatment and life. What do i do? I have told him that i have a crush but not that i want to bed him...help...all day i call him or email him...i even self harm to get his attention...not good...argh!!!