The context of the following conversation is After hours of brainstorming together, Casey obtained an idea for Sasha's project.:
Casey says I finally figured out an idea for Sasha's project. A collage of old cars contrasted with the history of the 20th century..
The friend responds That sounds interesting. But does Sasha like the idea?.
Casey responds I still need to tell her. I don't think she is into cars, but  I can help her with that. I love cars..
The friend responds Okay, you might want to make sure she is intern in it too before you get to far ahead of yourself..