Subject Object Verb

I've been thinking about subject verb object. My cells. My cognition. Grammar. My relationship to...well, once when I went to a doctor of internal medicine, my son joked that every doctor who wasn't a dermatologist should be called a doctor of internal medicine. But what part of what's outside me is me andor what's my relationship to it?

The above is a little setting of a poem exploring this and the grammatical assumptions behind Sam-am-I-ty