[Rin is beautiful, Saber wouldn't deny that, but it's incredibly easy to look down upon her and everyone else when her ego rivals Gilgamesh's.]

...on second thought, you seem to be performing quite admirably on your own. In fact, you are performing so well, that it is almost as if your body, as well as the body of your stead, have become one. I do not wish to interfere with the overwhelming love between a girl and her beast, so I will take my leave. Farewell.

[And then she actually does turn around and walk back in the direction she came from. Granted, she does this incredibly slowly, as if she was waiting for Rin to take it back or beg for her help.

Because she is.]