Have I Been Duped??

I would say that I'm a fairly gullible and trusting person. I believe that all people are innately good. I think that this is an endearing quality to have, but also a dangerous one sometimes.

So I have these new babysitting kids. They come before and after school every day. Collin recently (with money accumulated from his first communion) got a prized Yu-Gi-Oh card, Slifer the Sky Dragon. He got it on Saturday evening. It's gone already, and Collin has no idea what happened to it. Now, Collin would lose his head if it weren't attached to his body, and his room tends to be a pit. But he does take reasonably good care of his things, when he remembers to take them out of his pants pocket before sending them through the wash, as he's done with so many of his Gameboy games.

I'm really not sure what to think. I'm really bothered by it. No matter what, it's MIA and he can't play with it. But I'm really torn between being pissed that he might have lost it, and pissed at the thought that someone took it. It's funny that nothing's ever turned up missing when this kid WASN'T around....but then again, my kid can sometimes be laxadazical (sp??) with his things......