If you observe this moment, and this moment only, you will find out that you are already physically safe. Each moment that you are able to take a breath is a moment you are safe to exist in. However, not at every moment, we feel emotionally safe. Our emotional safety is compromised by what we think about ourselves and what others think about us.
When there is nothing left. When you've reached a point of no return. When you feel that you exhausted yourself, drained yourself. When old thoughts and reason do not interest you anymore. When you are tired of your own suffering or boredom. It is time to expand and go beyond all that is familiar. This is when we can allow our old personality to "die" and reborn into a lighter version of ourselves where everything is much clearer, calmer, and freer
This practice can be used at moments of anxiety, fear, worry, or whatever is keeping our mind and emotions from being at peace. The main idea behind this practice is to return to the present, to self at times when we have an extremely emotional or mental experience. The purpose of this practice is to awaken from the experience that we are having, just like we wake up from a bad dream.