Why did brock lesnar leave WWE?

He wanted to be a movie star because we check his profile and it said that

Answermoney reasons AnswerHis Wife Made Him! Answerhe just didn't like it there. goldberg, like sting, bled wcw. however, unlike sting, goldberg gave wwe a chance and it just wasn't for him. you can't blame him. linda McMahon called him "dissapointing" during a public conference call. AnswerIt was because his Contract Expired and he did not renew it