I think that Dawn and Xander are drawn together because they're the only two people without superpowers in the group. I recall the moment during the series
when that was illustrated. I guess Xander's okay with it because all those kid sister memories he has of Dawn were manufactured.
answering my own question regarding Riley, he takes the "ours is not to question why, ours is to do or die" motto seriously.
answering my own question regarding Riley, he takes the "ours is not to question why, ours is to do or die" motto seriously.

