I stole a shit ton of pens from the bank for no reason

I was about 13 and waiting for my Dads business trip to end. I was sitting on the ground in the bank just staring at the table with all the pens between my legs. There was a trash can next to me and I was tossing the pens that are used in the trash can. I started filling my jacket and pants with the pens and ended up having about 100 pens and no one ever said anything. I have never used a single one and they are all in my desk drawer. I don’t know why I stole them or what I was planning on doing with them. And I still have them to this day