Responses
Actually, the all doesn't apply to the "you", but rather "the same".
"all the same" is a phrase commonly used in english, meant to emphasize that something wouldn't change. In Angel's case, it's his love for Remilia, and how he would be in love with her regardless.
Oh my.. thank you for the explanation of your perspective. I didn't even consider that context because I'm too excited reading those confession panel
He said "all" in the last panel paired with remilia shocked expression.... Wow.... Does he know that there's two emi?