Check out these wedding bands by Sakurako Shimizu. They are molded into a waveform representation of your partner's voice recorded saying "I do," or any phrase you choose. A very cool and unorthodox idea!
And nary a portal shall ever separate them.
I'm sure they have both Chuck Berry and Pulp Fiction in the 24th century, and will totally get that reference.
Whisk Yourself Away Into the Faniverse!