Do you deteriorate faster or slower after death?

What a strange question.

When one is dead one stops 'doing' anything.... one's remains deteriorate, and they do it faster than when one is alive, but the person - the 'you' in the question - is not involved in the process.

All bodily 'living' functions cease with death, and only the decomposition process - which are normally countered by the body's defenses - occur.