suggestion!

Hello Dear Mr.Admin I'm Fedora Lover ( Gnome desktop ) . i see good & shiny future fedora OS but i have only one suggestion for fedora team why LTS is 13 month or 18 month! if this project countinue Like this LTS lost rank number 2 (number 1 is Ubuntu) because ubuntu have 5 year LTS . why fedora have very low LTS? fedora must release Like ubuntu for 5 year. in our country we can't download fedora DVD each 1 year for upgrading. Thanks for your Services in anywhere . Goodluck best wishes Arash