Is my facebook stalking healthy?

I check my ex's FB daily. She broke my heart really bad so I have no intention to ever contact her. It would just be more pain. I had been in over 3 months of serious depression because of her.

She's with someone and has 2 kids with this dude (Which she said should have been mine).

I check it just to see how happy she is (without me). And like to see how her family is doing as well.

Coincidentally, shortly after I found her FB (like 5 months ago) she completely stopped posting updates. Is there a way FB is telling her that I'm stalking her FB?

P. S. Please no "You have to let go of the past and move on" because I am trying to move on.
Is my facebook stalking healthy?
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