During his first run in WWE , Lesnar developed addictions to both alcohol and painkillers , allegedly drinking a bottle of vodka per day and taking hundreds of Vicodin pills per month to manage the pain caused by wear and tear on his body ; he named his accident at WrestleMania XIX as a particular source of pain . Lesnar claims that , as a result of his addiction and mental exhaustion , he does not remember " an entire two years " of his WWE career .