Just found a hair tie in our shower...

And it's not mine. I have never owned one that looks similar nor have I ever had a hair tie in the shower. They are always taken out and hair brushed beforehand. I just walked into our bathroom and it was sitting on a tall ledge in our shower. I left for work early this morning and he left late. This probably sounds so stupid so, I apologize. But I can't help but thinking the worst. What would you do? (I am the only female in our house)