That's certainly a problem. But that's not what I was thinking of. It's just that you are so soft, so fragile. I have to mind my actions every moment that we're together so that I don't hurt you. I could kill you quite easily, Bella, simply by accident." His voice had become just a soft murmur. He moved his icy palm to rest it against my cheek. "If I was too hasty… if for one second I wasn't paying enough attention, I could reach out, meaning to touch your face, and crush your skull by mistake. You don't realize how incredibly breakable you are. I can never, never afford to lose any kind of control when I'm with you.
In this passage from "Twilight", the speaker expresses deep concern for Bella's well-being. He emphasizes her fragility and the immense care he must take in their interactions to avoid causing her unintentional harm. This highlights his awareness of her vulnerability and the seriousness of their relationship.
The intensity of his feelings is underscored by the imagery of potential violence, illustrating the contrast between his love and her delicacy. He acknowledges the ease with which he could hurt her if he were to lose focus, reinforcing the theme of protection and the weight of his responsibility toward her in their complex dynamic.