I'll try my best to explain my question better. Let's say you have a partner (a dom) that you also love and are emotionally connected with, care about but have other "play partners" that you engage with from time to time, but have no emotional connection with outside of the sexual dynamics — how do you not think about the play partner when having a session with your full-time partner?

Since a lot of movements of play are repetitive (like licking, spitting, spanking, tying, or the sexual acts themselves) what's the way to ensure that the actions done by the main-partner does not remind you of your play-partner. If it does happen, what's the way to deal with it?

(Hasn't happened to me yet, speaking strictly hypothetically)