I am having issue about being a girl

Ok so I am 23 (waiting for a diagnosis) and I was born female, but something I’ve noticed is that throughout my life I’ve always hated my chest. I wouldn’t say my breasts are big or anything but I really have always struggled with having them there in general. I don’t like how they are there for “no reason”. Obviously I’d love to have children one day, but why do I have them now? Why can’t they just go away and come back when I am one day in the position to become pregnant? Why do they move when I move? They are they different from each other? Why do they stick out? Why do I always feel the need to contain them in tight bras? Has anyone else here struggled with this? I think I’d have the same issue if I was born a boy. I’ve heard penis’ jiggle around and move somewhat independently from bodies kind of like breasts do on girls. I identify as a girl and don’t believe to be trans or non binary or gender fluid as far as I am aware.