I'm not sure if I'm misunderstanding
@Erin1523 , but if I hear you right the most painful part was expressing feeling unloved and not having a mother figure and then near that same moment having a reminder from her and her dtr what you do not have; and secondly that if it indeed happened at the same time her seeming oblivious to you just telling her your emotions, crying and then doing the very thing that reminds you of that hole, all the while interupting your session. Do I have it correct, that that was worse than her receiving a call itself?
I think one could 'hope' she could put that together, your sensitivity and pain since you just expressed it, but then she's not a mind reader, and she could even equally assume you were triggered or bothered by things you weren't.
It didn't happen this time, but maybe next time for communications sake you can express to what you are feeling in the moment and why. (I don't think many of us do, even if we think of it in the moment in our head, or have a question in our head or are unsure). Such as, ~"after sharing what I did, and then seeing others with the opposite (in this case yourself and dtr) I feel even more (lonely or sad or x, y, z). And I feel a bit minimized when you interupt our sessions with phone calls. And yet part of me is very hesitant to tell you this, and I wish you well also." (You can feel contrary things at the same time). Or whatever you (personally) feel.
Welcome and best wishes to you.