You sucker. Toothbrushes are just the tools of the man. It's totally proven that you can naturally live just as healthy without a toothbrush, what they ACTUALLY do is brush away your teeth FASTER. How do you think all those poor people in africa have such excellent dental hygene? It's the NATURAL way to live, and natural is always best.
youre supposed to change it every three months.. cause stuff builds up, and it stops doing anything after 3 months
It seems to happen every couple months when I'm traveling somewhere. Otherwise about every 3 or 4 months.