text:  Yeah, well, it's taken us a long time. I, you know, I think of my other friends that have other jobs where they get the little dopamine hit, like my friend's an ER doc. And so, you know, he gets a dopamine hit every day, save person, save person, save person. This took us four years to get this paper out. So it's a long build up because it was, there's a lot of failure and there's a lot of optimization and it's very difficult. And you really have to be stubborn in order to get this stuff to work. Sometimes the specific thing that we were working on was,