Mum Breasts

I'm so shy and self conscious about my breast changes since pregnancy/post birth. I was pumping loads but stopped a couple of months ago and since then I'm all saggy, so different to look at than before, squishy, floppy(?)... so so self conscious about this, I live in sports bras or nursing bras even though I'm not nursing anymore. I feel so uncomfortable in any of my old bras because they're all cute plunges/balconette bras and my breasts literally feel like they spill out at an angle even though they aren't too big for them or anything. What do I doooooooo Also super self conscious in front of partner who says he doesn't care but has noticed and probably does care (he's just being nice) and he said it so like kindly/gently that it made me somehow feel even sadder about it (there's no winning, I don't know what a comforting thing to hear from him would be, to be fair). Anyone have tips on dealing with new/different breasts? Or even a new/different mum body? Don't get me wrong, love being a mum, just REALLY feeling the change.