Be prepared. Avoid his black hole.
Know the hoovers and how to counter them.
UK https://www.amazon.co.uk/Black-Hole-Narcissistic-Hoover-Tudor-ebook/dp/B01D7OPOFQ
US https://www.amazon.com/Black-Hole-Narcissistic-Hoover-Tudor-ebook/dp/B01D7OPOFQ
CAN https://www.amazon.ca/dp/B01D7OPOFQ
AUS https://www.amazon.com.au/dp/B01D7OPOFQ