They were trying to change each other, they had been for a while, but they were refusing to change themselves. Hermione knew that they were heading towards destruction, but she couldn't change the course they were on any more than she had ever been able to control Harry or Ron.
"Take me or leave me." She yelled at Draco, if he had fallen in love with her why was he trying to change her. She knew that it worked both ways though, she had to stop trying to change him as well.
"Take me and I'll take you." She compromised.