You will never get to the irreducible definition of anything because you will never be able to explain why you want to explain, and so on. The system will gobble itself up.
I like pubs too, but it's hard for me to go and get proper bladdered in the way I used to. I don't want to moan about being recognised but I do get a bit of grief sometimes.
Every one wants to command, and no one wants to obey; and this is owing to the absence of that wonderful brahmacharya system of yore. First, learn to obey. The command will come by itself. Always first learn to be a servant, and then you will be fit to be a master.