Of course she was enjoying this, she always enjoyed embarrassing him in front of others, one of the many reasons Vegeta would rather she stayed sober as events like this. But also knew the futility of that.

He then tried to clear up what Bulma said. "According to Earth traditions we are." It may sound like he's countering her, but in a way she's correct. "Because I'm an alien I had no form of official identity, and Earth marriages apparently require some sort of governmental approval." Or something like that, he hadn't really cared. She had gone on and on about all the trouble and money required to fake an ID for him and make it official enough that he was a registered citizen. Vegeta hadn't seen the point, but it seemed important to her for their marriage.

"I don't need a surname. No Saiyan would dare use a royal name, so why would I need another name to define me further?"