An obsession? Maybe. You just loved gum. Perhaps a little too much..

You had a classmate who always had gum. You've been requesting it from this guy a lot lately.

As you asked for another piece, he sighed, removed one, and gave it to you.

Grabbing it cheerfully, and popping the gum into your mouth; something draws your attention.

He had his phone number written on the inside of the wrapper.

Zoro: “Hm..” He hummed, turning away. Acting like it was not there.