Check on your domme, tell her you feel safe around her or that you're enjoying time spent with her. Dommes are human too, they need care too. Don't forget about them.
When I think aftercare! I think cozy, I like my subs to have fuzzy blankets, stuffies, maybe a heating pad— a few things close by for after a session— for me it’s a lot of Teddy clothing & snacks mmm