Yeah. I know, I think, I think, in an earlier version of this presentation, you know, students walked away, saying ha, you know, Andrew says we should not have fun we should work all the time and that's not the goal [LAUGHTER]. Um, All right. There is one. All right. Um, you know, there is the uh, Saturday morning problem which all of you will face. Right? Which is every week, uh, including this week on Saturday morning you have a choice. Um, you can, uh, read a paper [LAUGHTER] or work on research or work on open source or,