[ Must not laugh. Must not laugh. There's a lot of clattering for a moment, as Aiichiro opens and closes a door, shuffles some things around. He leans in close to a bathroom mirror finally, his lips pressed together too tight for a second, before he smiles. ]

Well, it's mostly a matter of practice. But also it helps to learn the signs that they're going to finish, so that you're never surprised by it. Maybe try paying very close attention to what your own body does when it's close to orgasm, first?