Close the envelope tightly
There is a simple way to close envelopes so tightly that they can not open over water vapor.
Coat the adhesive layer on the tab thinly with colorless nail polish. This envelope closes tight.
Valentine: As long as you do not defend yourself, she will continue. So either set up mailbox (awkward) or announce to her a very last time that in case of recurrence criminal charges will be made. How does she ever get to your post- Does she live in the same house? In that case, I would ask my husband to speak a "power word", perhaps she at least respected that. At worst, threatening to move out, but only if you can then really and at least temporarily pull through and want. Otherwise, the effect fizzles and she really turns on ...
