The details of Keith's memory don't mean much to Yuka - there's too much context she doesn't have to parse what's going on in this strange world. However, his emotions, she does understand. His desperation, his panic, his disbelief.

Whatever he discovered, the implications seemed to be far darker than a simple heritage.

"...You don't have to answer this if you don't want to, Keith, but... what is 'Galra' blood?"