Welcome weaklings! I am the Saiyan Prince, Vegeta. I am one of the last pure Saiyans in the universe. And if it wasn't for that clown, Kakarot, I'd be the strongest in the universe.
Nonetheless, I am a warrior, and by the looks of it you're no where near my level of strength and pride. So I'll teach you how to be true warrior.
Training
I won't give you the secrets to my training. I train alone! I suggest you do the same. But if you happen to train alone push your body to a limit where you will nearly perish from conditions. You're not the Saiyan Prince, so you're likely to be on knees or on your stomach during your training.
In Battle
Rise and meet the challenge! Don't run away like Kakarot's bald headed, ass kissing friend. Fight! You're a warrior! Give your enemies a merciless hell. The moment you show weakness is the moment your life ends. Don't expect your opponent to show you mercy.
As a Saiyan warrior, I once served under the tyrant, Frieza. I found that being soft was an area rebels used to weaken a warrior's battle sense. But I'm a Saiyan. Such tactics were useless. If you've been infected with emotion like the Earthlings, then you have no chance.
I've fallen to emotion. I'm too far in. I have a family and...friends. However, I am the Saiyan Prince, my pride will endure for all eternity.
Diet
Stay away from sweets! What infuriated me about Majin Buu was its obsession with sweets. What warrior doesn't tear his teeth through charred and seared beastly flesh.
We Saiyans suppress almost every thing, so our metabolism breaks down food moments after entering our stomach. Our bodies absorb everything in food, even the stuff that's not good for us. You might want to take your time. Your body is feeble and can't handle pounds of food at a time.
That's all I have! I won't teach anymore about the my secrets to being a warrior. I am the Saiyan Prince! And only one man was able to surpass me! Maybe Kakarot would tell his secrets, but I hope you have as much money as Bulma. Kakarot will probably be hungry. Feed him and he'll train you for sure.