Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

cousin. Maybe one day you can talk to her about both your experiences.
And you can help each other. Give her time if she doesn't want to talk now.
Wow! ! ! That's a heavy duty bomb shell! ! ! I'd be checking you for a pulse if you weren't reacting in unpredictable ways. That is quite a heavy chunk to process. Easy does it. There is no way to process a chunk that big in a single day.
Getting your emotions, etc., into words and sharing those words can help with the sorting. I hope you feel safe doing that here. Welcome aboard.
Listening. . .
So glad your mom is such a strong woman!