Mistakes Setting up this blog

I have been racking my brain trying to remember my userid and password and it never came to me.  I submitted my email address and it came back saying there was no blog.  I went back over the instructions for creating the blog and followed them and i got to my blog but once again I could not login.  I was laying in the bed this morning thinking about the 0 that I would get and it hit me.  Try another email address and I did and here I am.  What I have learned about computers this week is do not trust your memory it is always best to keep good notes about everything that you do and everything you create because one day you will have to revisit .  You try to follow the instructions that you were taught but there is always that one time when things don't work like they should.  Remember keep you a notepad or notebook that you can use whenever you start a new endeavor, keep track of ID's & pwd.