Not every woman wants to sleep with Dick Grayson? Maybe Kate Kane wouldn't be interested, but most young straight women would take notice of a guy like that. Dick always treated Donna like a little sister and never came on to her like Roy did, so she probably grew up to see him as she would a brother. But then, Roy has always been a skirt-chaser and Dick has always behaved very appropriately with women. If Donna had met Dick for the first time when they were both 21, it might have been different. I DO think you could make a very good story out of Bette coming to Dick, seriously wanting to change her ways and become a serious crimefighter. She would need some real motivation first--and then he would expect her to be a pro about it; he wouldn't appreciate it if she gave him reason to believe it was just to start an affair with him. Although I have no idea what Rick would do.