It seems that you are labouring under a terrible curse — that of some intelligence but no idea how to use it constructively. There will come a time when you get into difficulties and need other people's help. They will look at your track record and, if you have continued as here, decide that you are deserving only of pity as you fail. But you will dismiss this along with every other piece of well-intentioned advice that has no doubt come your way. After all, I am no more wise than the "...guy who tells you you ought to have had your brakes relined last week before you smashed..."