There are two kinds of people in this world: those that spit, and those that swallow.
Let's face it, everyone prefers a swallower. Yeah, maybe the dude that busted has some funky tasting spunk, but it can be mad awkward if after such an intimate moment you grab a trash can and spit all those unborn kiddos out.
And honestly, your dude doesn't want to see you make that “WTF YOU EAT BRO?!” face before spitting out his man juice.
But some BJ experts take the load with pride, and their partners really love them for it. And hey, the only reason we do that ish anyways is to get some in return, so take one for the team and do it for your lady parts!