Technically you should enjoy your partners taste, as it contains the most pheromones etc that attracted you in the first place. But if it tastes bad, a lot of it is to do with diet - if you want to sweeten it up eat lots of fresh pineapple or honey and that does the trick. avoid onions, garlic, curry, chilli etc.
also for girls who love cum, as a lot of you have admitted, get your guy to take zinc + iron supplements, it produces more cum & its thicker and goo-eyer