Her motivation is that someday she hoped to be a journalist
She uses him as a means to become more powerful and basically as a tool to kill those in their (her) way
<span>A.Tension
It is clear there is tension in this passage because of the way Grete handles Gregor's food. The fact that she is using a rag and not her bare hands shows that she is slightly uncomfortable in the situation and is not willing to touch something he might have touched directly. </span>