is not a path that we take lightly, without skills or true motives. Be careful where you step, and do not listen to those who speak only about sex. To be a true tantric practitioner in the West, you really have to hang on. And we do not start this way for 30, 40 or 50 years, but at 8, 10 years old !!! Why? because it takes years of meditative practices and toumo and that beyond, CA DOES NOT works in combination because even that physiologically, it's too late. You can at best you clean the canals, at worst delude beautiful illusions. And usually you will be closer to the worse than better ... Are you ready to practice at least 8 hours a day! There are other ways for western Buddhists, more suitable to our culture and above all our (many) through. After, looks like another, it is up to you. Take this book as a study document.
