Think nothing of it.

It's very responsible to consider your funeral preferences earlier rather than later. If you like, I have some paperwork I can send you to fill out regarding your death plan. In it you can express your preferred method of [...] corpse disposal burial, including composting. Alongside other more personal, sentimental aspects. Then we can put it on file in case of a tragedy.

Going over it with Rory could be an exciting afternoon.