(((safe hug))))
Don't say you can't (I know how you feel though, ok? But begin by not using such finality in words. You will begin to be able to not only block some, but prevent them too, in the future.. .it begins with word usage?)
You will block in the future.
Sorry you were triggered. Make it work for your own good (this remembrance.) Tell yourself (your brain) that was then, and it isn't now. That was then, this is now and you're ok.