Her tiny fingers clung to the counter as blonde hair popped over the counter. "I have a unicorn shirt!" the little girl brightly told me with a wide smile as she stepped back far enough for me to see it.
Sure enough, the shirt was covered in multiple unicorn heads. 
"That's cool!" I told her as I worked quickly to serve her parents waiting for me to scan their items.
"Yah! My shirt says Believe! See!" She gestured proudly to the glitterfied letters sprawled across the top of the shirt. "Believe!" She repeated. "Believe!!" 

-Inspiration from conversation at work.