>Ruby is emotional, impulsive, unfocused, can't hold a thought but can't stop talking

>Sapphire is stoic, calm, deals with emotions silently and makes the decisions in the relationship

You know it really makes more sense that Sapphire is in the tux and Ruby is in the dress. Sapphire is obviously the husband in the pairing, and Ruby is her wife.

This show subverted so hard it circled around back to stereotypical male-female gender roles