Is it just for the sensation, the pleasure, and the connection with each other? But why, at the end? Does it take you to some kind of evolution? And where are you directing the practice towards? Where are you directing this exchange towards? This is very important because otherwise you are still wandering around in the infinite field of manifestation and experiences, and not growing, not growing humanly and spiritually. 

It's the same if we do non-tantric practices. Any type of practice, you say, "Oh, we are doing that," but where does it take us? What is the objective? So we must be very clear. 

In tantra, what I teach, it is very clear. We are there for the full development of the human being towards their total liberation. And the view is non-dual. So sometimes we use transformation practices, but not if it’s not required. Most of the time, we use self-liberation. This is the empowerment of love, presence. And we are always developing, clearing the different veils, so we can be like a crystal that has become pure. When the light shines through it, it radiates the light, the pure light, like the rainbow's light. 

So the tantric way of practice, when we do it in a couple, especially if we are exchanging sexual or other energies, with love and presence, then it's empowering. It is amplifying everything. The inner crystal is getting magnetized even more. So things are going to reflect even more, from the impure vision to the pure visions, in a sense; but the crystal has become so clear that only pure vision manifests. And there's no place to hide anymore. 

At the most advanced stage, we use these means towards the realization or the manifestation of the rainbow body. So alone, we have practices like being in the dark or working with the light, with the non-dual intention. Then, those practices have methods we can apply as a couple. And because everything is amplified, then everything can come to the final stage more easily. But also, because everything is amplified, everything can become very intense. So we need to grow our capacity for integration. Everything is not just beautiful and nice, the universe is created from duality, Yin and Yang, two aspects. To integrate these two aspects, it's only the non-dual approach that works. Then there's no differentiation between light or dark. Whether we have pain and suffering, or we have joy and love, we integrate both energies. 

The more we grow on the path, the more we gain knowledge and stabilize in our practice, then we integrate both manifestations more easily and don't get lost in them. Everything is becoming a vehicle of liberation.