For a while now I have believed in the saying: "What goes around comes around". For example, I think that if you loose something, you will find another thing. Like an old roommate of mine that had lost several phones and then found a BlackBerry (a nice one, btw) ;)) Also, I think that if you do something bad (or good), then something bad (or good) will happen to you sooner or later.
I also believe in Karma and I thing that this is responsible for what happened to me lately. I bought a pair of earphones and I was really excited about them. They were really comfortable, did not bother my ear at all and the sound quality was good. I was really satisfied with them so, every time I got the chance, I bragged about them. Until I ripped them apart :( Now I bought an extra pair, but I will be extra-carrefully with them.