[SFW] 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 can’t be mentioned in genteel company? Then you want the NSFW version of this question.