I think my Girlfriend is crazy

Reread what astro wrote. I’m sorry, but he’s absolutely right.

None of these people are trained therapists but if you want someone to talk to this website may help: https://www.7cupsoftea.com/BrowseListeners/

NAMI, National Alliance for the Mentally Ill has a lot of info and local chapters in larger cities. Also a lot of mood disorder support groups have a friends and family chapter
https://www.nami.org/

This forum might help:
http://www.crazymeds.us/CrazyTalk/