Hi Leigh48 and welcome!
You're definitely in the right place - all of us here understand what it's like living with a Jekyll and Hyde personality.
Can you describe what happened about hanging the photos? What he said, what you said and did. That way we can see the dynamic and make some suggestions that may help.
Also, click on the "Tools" tab at the top of the page and start reading... You'll find a lot of useful information and skills there, particularly the workshops:
https://bpdfamily.com/message_board/index.php?board=36 Hang in there... we're here to help