What's going to happen at Westlemania between Brock Lesnar and Triple H?

The history Brock Lesnar and Triple H had last year..

For Wrestlemania 29, it will be Brock Lesnar vs. Triple H. Last time they had a match in the summer, for PPV, Brock Lesnar badly damaged Triple H. Triple H didn't have self-confidence in his-self anymore. Brock Lesnar was very brutal, he broke Triple H arm and before their match, he broke Shawn Michael's, (Triple H) friend arm. After that match, Triple H was unsure if he belonged in WWE and he quit WWE. But in February, he came back when Brock was almost about to attack Vince for having a fight with Paul Heyman and beating him up. Until Triple H came out and started beating up Brock Lesnar. He bust his head open and Brock was badly bruised. He slammed his head against the pole and hit him with items. During Raw old school, Triple H announced that "He is back and not unsure anymore, he wants to have a fight Brock Lesnar at Wrestlemania."
He is not intimidated by Brock Lesnar anymore. The next Raw Brock Lesnar responded, well his representative responded by saying Lesnar would accept the challenge if he is able to put a stipulation on it.
During yesterday Raw (3/18/13), Paul Heyman came out with security and had the contract out with him. Paul was playing mind games with Triple H but when Paul talked about Triple H wife, "Stephanie Mcmahon, saying "The loser should get her, which is Triple H." He was very furious and started attacking Paul Heyman. Finally, Brock Lesnar came out and got Paul Heyman. Finally, Paul told what the stipulation was, the stipulation was "His career was on the line." So if he lose, he have to leave WWE forever and if he wins, he get to stay in WWE. After we found out the stipulation, it was pretty unpredictable. This match would be happening in three weeks. They had long history with each other. This match should be pretty interesting to watch because it is also a match where it's no count outs, no disqualification and anyone could interfere.