Aftercare is the attention that follows an intense scene: the winding down, the checking in, and whatever each person needs to feel steady again. It is not an optional extra. For many people it is the part that decides whether the whole experience was good or not.
What it actually involves
Usually something ordinary. Water, a blanket, being held, quiet, something to eat. Sometimes talking about what happened, sometimes deliberately not talking. Checking skin where there were restraints. The common thread is a return to normal at a pace that suits the person who needs it, rather than getting dressed and leaving.
The drop
An intense scene floods the body with adrenaline and endorphins, and when they clear, the fall can be steep. People describe feeling tearful, cold, shaky or inexplicably low, sometimes hours later and sometimes the next day. It is common and it is not a sign anything went wrong.
It happens to the person running the scene too, which surprises people. Dominant drop is a real thing, and someone who has just done something intense to a partner they care about may need looking after as much as the person it was done to.
Agree it beforehand
What one person finds comforting another finds unbearable. Some want to be held for an hour. Some want to be left alone in a quiet room. Asking afterwards, when one or both of you is not thinking clearly, is the wrong time. Settle it in the same conversation where you agree limits and the safe word.
In a paid booking
An escort who does domination or intense work will build aftercare into the time rather than treating it as an afterthought, and the booking should be long enough to allow for it. A ninety minute scene crammed into an hour leaves no room to come down properly, which is the most common way these bookings disappoint.
What BDSM means covers consent and the vocabulary, and fetish and domination escorts covers arranging the booking itself.