According to Osho, witnessing and tathata are not “without resolve”—they are the supreme resolve. To live as the witness is a subtler, tougher decision than any outer austerity; tathata, total acceptance of what is, is the ultimate vow. Through this unwavering stance, identification falls away—body, mind, “subtle body”—and separation happens naturally. No extra techniques are needed, only steadfast witnessing and unconditional acceptance.
You can’t split from the subtle body casually; choosing to watch and accept everything is the biggest decision, and that very choice brings the separation.