Therapy anxiety n ptsd

my doctor recommended me to see a therapist for 6 visits. the first was a get to kno u . she wants to see me every 2 weeks says i have a lot going on panic with agoraphobia n ptsd well my next visit we talked more bout how im aftaid being home alone at night n i told her i like have all windows covered n stuff she said me doing that isnt gonna prevent somethin bad to happen im jus controlling my anxiety but causing it. then she was like wat r u getting from this n i was like basically ur tellin me quit doin wat im doin shes like thsts wat i was afraid of. i feel like these appointments r a waste of time. my doctor asked how it was going n at the time i only been to the first n he asked if she tried medicine w me i said no . bc my doc had me on 100mg(25mg capsules) of vistaril but it put me asleep thats all i would do so he put me on atarax 10mg same thing i think . it says as needed for anxiety . its only a month worth. has anyone ever been to therapist? wat helped? i also avoid any gatherings bc i dont like being around ppl specially ppl i dont kno. i dont like livin like that. im 29y/o . i go back thursday n idk wat to do