I don't get this thing where people try to prove that Gwen wasn't so good and pure by treating the Ditko era Gwen as the only way she "really was. I agree that they've taken what should be Peter's romanticized memories of her and turned them into her actual characterization, but all through the Lee years-and Lee was the only real writer she had when she was alive. Conway destroyed the character by writing her with contempt before he killed her off-there was a definite arc. She started out as an angry 17-year old who didn't really belong anywhere, then she fell in love and that took the edge off, as falling in love can do. There was always a temper and some hints of insecurity, though.
Anyway, I don't think she ever HATED him during the Ditko years. She had a crush on him and reacted with anger when he didn't respond the way she wanted.