As you know, this can be incredibly sexually arousing.
Much can be learnt through Satanic meditation.
As part of the worship, it is customery to offer a sacrifice to Satan, particularly if you have asked for His advice or guidance.
This is the single biggest mistake I see men make. Its an understandable mistake, once the worship is over, they lose interest, and simply move on to other things.
They might see your failure to banish them, and therefore be in control of them, as a weakness.
You have given them a portal, which you have recklessly left open. Sometimes the entities will use it to cause mischief.
We are not dealing with a benevolent God here with your best interests at heart. You must control the process at all stages for your own safety.
Effectively bringing a ritual to an end, at a time of your choosing, is essential.