Hi Spirit,
I was reading through your previous posts. I'm sorry that you are feeling such emotional pain.
I think, from what I have read is that you might not be wanting your Exbf to move on in his life. Doesn't "EX" as in Exbf, mean no longer your boyfriend?
I know it can be difficult to get your head around a relationship being over, but looking to find hope and hidden meaning in sending a Mom's Day card, or in a wish to you for a good weekend is only going to fuel false hope. Maybe you are hoping he's going to change his mind? I think too, by doing this you are setting up expectations for him to meet based on unfounded intentions.
I really hope you can find a way to let this go. the first step may be in finding acceptance within yourself that the relationship is over and day by day creating a new life for yourself. Not always easy, but it is doable.
Best wishes to you.