Wow..You are blessed with an excellent "brain system" (I dunno that term actually :p)
Your hobby is WOW. I guess nobody (especially for people who don't like counting numbers like me) but you thinks what you called "hobby" is a hobby. Great post kak.
Math is fun! Just play and have fun with math and you will love it!
I can't love math. I hate it..but I need to learn it..hiks :(
try to know and you will fall in love.
I am trying kk :)