"Explanation for why Connie has those scars in the future au when Steven has HEALING SPIT"<<<Technically even if a wound heals magically that doesn't mean that the tissue wont scar or discolor but I don't know magic.
Oh course, right? I mean she knows Rose's hugs. I'm sure Steven and Rose have more than a few things in common, even if random like a hug <<no it's because Steven is her baby. Would you recognize your baby in watermelon form?