| Domain | Topic |
|---|---|
| I Ching | Hexagram 31: Hsien (Influence / Mutual Attraction) |
| Mythology | The Divine Union / Sacred Nuptials (Hieros Gamos) |
| Numerology | Number 2 |
| Psychology and Cognitive Science | Attachment Theory: Dyadic Bonding & Mutual Attunement |
| Sacred Geometry | The Vesica Piscis |