But meditatively, if you have a laser focus on any one thing, whether it's the breath or a candle flame or whatever it is, not only does-- I mean, let's use the breath for a second. Because your eyes can be closed. I mean, you can lose all sense of everything. I mean, you can lose all sense of hearing and your physical body can disappear. I mean, like, literally, it can become incredibly subtle and vast and drug-like.