"I've been down that road. When I was captured by HYDRA they put what's called a sleeper agent in my mind, so I've had the voice in my head before. Tony took care of it along with three bombs along my spine."
Only someone who had experienced that kind of thing would really understand what it might be like for Bruce. "I'm sorry if I made you uncomfortable, I was just wondering because I've lived through having a voice in my head besides my own."
Trying to lighten the mood he said "Well I guess as long as Hulk doesn't want Taco Bell at 2 in the morning you should be alright."