Girls, hi! Can you help me figure out if my milk is okay? I've never h…

Girls, hi! Can you help me figure out if my milk is okay? I've never had this problem before. I could express milk in the evening if the baby didn't finish sucking it all up, and the expressed milk in a bottle would be separated into layers by morning, but it wouldn't spoil, but now after a few hours, it looks strange, like maybe 1-2 cups.