The 7th house is the house of the other — marriage, partnership, open rivals, and every one-to-one bond with real stakes. What the 1st house begins alone, the 7th negotiates with someone.
A transit moving through the 7th house arrives through people — partners, clients, adversaries — and turns the contact into a negotiation. A natal point received here is worked out relationally, rarely alone.
partnership, marriage, and close others — the practical arena where the contact is felt.
Transit Uranus crossing the 7th house destabilizes the terms of partnership — bonds renegotiate or break open.