In "Spirit Bound" by Christine Feehan, the author emphasizes the profound connections that can exist beyond biological ties. The characters in the story refer to one another as family, highlighting the strength of chosen relationships. These bonds can be just as significant, if not more so, than those formed by blood.

The narrative illustrates how these chosen family members offered support during the protagonist's most challenging times, demonstrating that love and loyalty can provide life-saving solace. The theme underscores the idea that kinship is not solely determined by genetics, but can also arise from deep emotional connections forged through shared experiences and unwavering support.