Draft a concise document covering guests, noise windows, cleanliness standards, fridge zones, and finances. Keep it two pages, with examples and photos. Review quarterly and after major changes. Every resident signs, acknowledging both commitments and flexibility. Store it where it’s seen and searchable. A shared reference reduces renegotiation fatigue, anchors memory, and supports fair, consistent decisions when emotions run high.
Create low‑stakes ways to flag issues: a fridge magnet scale, an emoji thread, or a short anonymous form for recurring concerns. Agree that signals prompt curiosity, not blame. Respond within twenty‑four hours with proposed fixes and appreciation. This gentle loop transforms grumbles into collaborative improvements, and prevents tiny confusions—like sponge smells or mystery dishes—from mutating into household folklore and resentment.