Have you heard of the "no test"? It absolutely works. Abusive men do not take no well. They certainly don't respect your no. I'll find the story I wrote about it and post it. It's been life changing for me.

https://medium.com/long-after-the-thrill/wondering-if-hes-an-abuser-c84b267583c1

And this one

https://medium.com/modern-women/is-my-screening-question-unfair-f95c327e85d3