Rearrange the furniture, make a man-cave, paint, move pictures. Make the house yours let her see you moving on. Play some new music, make plans on a calendar she can see, leave phone #s around, have a open bottle of wine in the fridge. Get mysterious.
M22,H45,W45 S21/18D12 Retain faith that you will prevail in the end, regardless of the difficulties and at the same time confront the most brutal facts of your current reality, whatever they might be.
