Yin and Yang Dragons by taylovestwilight.deviantart.com on @DeviantArt
Cal constantly struggles with his belief that of the two of them, Aron has the good and he holds the bad, balancing the good and evil out. This can be seen in yin and yang, in which opposite forced are interrelated.
We're like Yin Yang; different but we fit together perfectly and have little pieces of each other inside to compliment and complete our circle. -Abbie