she is extremely intimidating (in this area)
Kapusta, no one like this can intimidate you without your permission. Honestly, I know it must be hard for you to contemplate being super-blunt with her. Clearly you are a really kind-hearted person, but you are doing neither yourself NOR her a favor by not being more definite in your (what should be by now) demand that she cease and desist. If you truly do not want this situation to continue, I fear your only option is to make a point of avoiding her altogether (which apparently is not practical), or to tell her point-blank,”ENOUGH!!!! I have heard your tedious opinion on this and a thousand other topics, and I am no longer interested in hearing any more of them!” I suspect you won’t bring yourself to do this (as I probably myself would not do, because I am far better at giving advice than at taking it…), but the truth is, you have reached a point where this person is causing you stress and aggravation just by seeing her. It is not worth an ulcer. (I would go with PLAN A and just avoid being in the same room with her or taking her calls or reading her Text Messages).