The moon is luminous and beautiful. It can stand out, and in fact, it makes a point of shining especially when things are at their darkest. The 'hipster' of the sky, the moon challenges and calms us at the same time. It brings balance.
Tennyson has always been really outgoing, but people have been bullying her about her weight, even though she was a fairly normal size. She's stopped eating lunch now. Is your character in on the bullying or are they a friend?