Monday Mystery

This is probably the most unusual mystery I've every posted. Well, I guess there have been quite a few unusual ones. But this one definitely rates up there.

So. On Friday afternoon, I was talking to my favorite cousin, Chrissy. As we were catching up, I noticed this "lump" on my leg near my knee--kind of on the side. I pressed on it. It sort of startled me because I could feel that it wasn't part of my body. There was something in there. Now, you have to realize, I had worn these black jeans two other times this week--just a couple hours each time. If I'm just sitting around at home, I have some comfortable double knits. 

I jumped up, and reached down in to my jeans. This is what I pulled out:

Apparently, during the laundry process, a pair of black underwear worked their way in to my jeans! I can see that I wouldn't notice it since I wash all blacks together. A pair of black underwear wouldn't show up inside the jeans. Now maybe if I folded jeans, I might have notice a bulge. But, I hang my jeans, so I was none the wiser. 

Now the mystery is this. How in the world did I wear these jeans all week without noticing there was something in them? Or more puzzling, how is it that I didn't push them through with my foot? 

All I've got to say is that's some strong static electricity to hold them in place for so long!