What does hearts are "really knitted together" even mean ? I agree about the proxy part, but for rational discourse we need to start somewhere. Personally, I do

What does hearts are "really knitted together" even mean ? I agree about the proxy part, but for rational discourse we need to start somewhere. Personally, I don't know what that is because I don't think I've had a high quality relationship or maybe I'm not even sure what that means.