[NSFW] If anything were possible, what body modification/s would you want?

The sky’s the limit. Imagine that between genetic engineering and stem-cell technology, doctors can give you anything flesh and blood is capable of. You’ve won a national contest that will pay for the doctors carrying out your wildest dreams. What are those dreams? Do they involve modifications that are way too ho-hum be worthy of a NSFW label? Then you want the SFW version of this question.