Tiers of relationship subterfuge in ascending order of difficulty:
Level 1: Fake married
Level 2: Fake owning partners of fictitious business
Level 3: Fake running mates in fraudulent campaign for political office
Level 4: Fake immortal nemeses fulfilling invented apocalyptic prophecy
Level 5: Fake opposing/complementary aspects of fabricated chthonic deity
Level 6: Actually married and obliged to pretend you don’t know each other