Yes, it sounds like a bit of jealousy is in the air. Perhaps you can find something special to do for her that will help her feel your support. People grieve in different ways and anger is a very common manifestation. In a few days, it will be four months since my middle son, age 37, passed to spirit world. I saw his son become so angry because his dad was gone and he would not be around to help him, he thought. He lashed out at others for little things and got kicked out of school. He is doing a little better now, as the rest of us try to help him see that his father is very much with him, protecting him. That is a whole other story and topic. Keep your head up and find a way to serve her and she will calm down.
Again, I send a very big, huggy-bear kind of hug to you and your bf.

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