Is there bacon on that pizza? This one may come down to personal preference, as oral sex isn't, for some strange reason, universally celebrated, but an awful lot of people would likely be willing to give up the carb and cheese laden treat that is pizza if this was the no win situation presented to them. Just as many wouldn't. And a third group would no doubt have their heads explode trying to decide. Frankly, you should probably confirm whether it's just giving oral sex, or receiving it as well, before you agree to ever giving up Pizza.