'This is my pain', but you can't say this because the 'this' refers to something in shared reality. You can't point to your own pain, but since you can point to your tooth the issue becomes confused. Insofar as what is here is a plurality of interlocking experience streams, yours is the only one which contains this pain. That makes it your, but only via the premise, which is long stretch. Similarly, within your stream of experiencing, of world making, there is a pain linked to the phenomena of your body in a non-contingent way. This way of claiming the pain also relies on a complex posterior construction of the conditions for a world. What is lacking is any sort of clearly defined 'you' object that precedes the pain, and to whom the pain is added. No, when the pain is felt you cannot separate yourself from it or say rightly which came first - except under the spell of a certain working model of reality which carries no ontological weight.