Whenever "let's set up a recurring meeting" comes up (from me or others), I add: "We'll set it up 4 sessions and then finalize the cadence."
Why? Most recurring meetings are about:
But during the recurring meetings, my future self is usually asking:

Finding exit points is hard, so I'm training my present self to give my future self a way out.
Let's set up 4 sessions. Then we'll finalize the cadence.