I think there is a rule within my own person environment, where if I find something, then something else will become lost. For the longest time I will know where something is, then whenever I finally find the other missing piece, I lose the original piece that was already found x_x;
Prime example: I have my tripod and the little dock I put my camera on to put into the tripod. Cool. Batteries, check. Camera is here too. But no charger. Can't find my charger. Whatever. I finally replaced my battery charger. GREAT! Now I go to look for my other things...found my tripod, cool. But I can't find the dock that I need to screw to my camera to use the tripod. UGH. Soooooo lame.