Bacteria grows quickly on toothbrushes that are closed up in small areas, because they don't get to dry all the way. Bacteria breeds on wet surfaces, which is why sponges are not good for kitchens.

__________________
"When you're drowning, you don't say 'I would be incredibly pleased if someone would have the foresight to notice me drowning and come and help me,' you just scream."

John Lennon