He convinced me to resolutely believe that Pot Noodles are very nutritious and provide a reasonable substitute for dinner.
He taught me how to clean up after myself - A newspaper left on the floor for a few days will do the trick nicely (Big Daddy style).
He taught me to appreciate food at all times, even if it is 90% charcoal.
He told me that I should never laugh at weird people, for one day I may be one of them. (I joke, his actual words were - "If they are not doing harm to you or any other person, leave them be or join them.")
One day whilst trying to build a chicken coop he said - "Well, we can do this the easy way or the hard way...