Letting him test out a new 'training device'

"That's impossible!" Prince Vegeta said crossing his arms not believing what his wife told him. "it's true Vegeta,when you wear this suit it doubles your results,coke on try it for a week and then fight Goku, I'll invite 18 and Chi Chi over too so that way you can show just how much superior you are."Bullma said with a sly smirk. The prince of all sayians took a look at the suit,"Alright fine I'll put it in."He said turning around