[ It's tough when you're comfy to lie on and your boyfriend wants to take advantage of that, huh, Sanji? ... Also he's preventing him from getting up and going after someone else, if that happens. Surely he wouldn't dislodge his boyfriend so rudely...? ]

You'd have to dig very deep. And hopefully the salt in the water seeping through wouldn't accidentally preserve it and cause trouble for your further down the line.

[ Rrrrrrrrrrromance is talking about how to hide a hypothetical body with your partner. ]

That'd be difficult to explain away. A flying and raining body...