An ongoing casual connection: agree on the basics
Seeing the same person casually can be enjoyable, but familiarity does not remove the need to discuss expectations. A repeat encounter is still a new choice for both people.
Discuss contact between meetings
One person may enjoy daily messages while another prefers occasional plans. Neither rhythm is automatically wrong. Explain what feels comfortable and ask what the other person expects. Avoid presenting constant availability as proof of attraction or interpreting every delayed reply as rejection.
Do not assume exclusivity
If exclusivity matters to you, discuss it explicitly. An affectionate evening or several meetings do not establish an exclusive arrangement. Be honest about the agreements that affect the connection. If your expectations differ, decide whether the arrangement still works instead of relying on unspoken rules.
Leave a respectful way to finish
Feelings and circumstances can change. Schedule an occasional check-in and make it possible to end the arrangement without punishment. You do not need to continue having sex to avoid disappointing someone. If you want a different kind of relationship, say so rather than hoping repeated encounters will silently change the agreement.