well most important (at least i think ) is not to dislike it. we men do wash it (at least most of 'm ) every day, so don't worry about that. just wish every women would love to give a blowjob, would be a great world then !!
Throwing up while giving a bj is definitely a turn-off, although sometimes this happens to the most well-intentioned cocksuckers. What happens is they get overenthusiastic, take the cock too deep or hard into their throat, the gag reflex gets triggered, and then it's all over. Or once the cum starts hitting the back of her throat, things start flowing the wrong way. Don't try to deep throat on your first BJ. Everyone will be sorry. Practice first on dildos to get your gag-reflex under control. Or just work up to it at your own s