Boundaries
Boundaries are the personal and shared limits that define what each person is comfortable with — the framework that lets adventurous play feel safe.

Boundaries are the limits people set around what they are and are not comfortable with — emotionally, physically and sexually. In the lifestyle they are not restrictions on fun but the very framework that lets bold, adventurous experiences feel safe.
Good boundaries are specific, honest and revisited over time. Couples often discuss them in advance — what is welcome, what is off-limits, what needs a check-in first — and individuals are always free to adjust theirs as they learn what feels right.
Respecting a boundary, whether your own or someone else's, is non-negotiable. A clearly stated limit is never a rejection to take personally; it is simply information that lets everyone relax and enjoy themselves.
Frequently asked
Related but not identical. Boundaries are personal limits about yourself; rules are agreements between partners about behaviour.
Yes. They naturally shift with experience and trust, and revisiting them regularly is healthy.