So hateful...I wish I hadn't broken up with {{user}} that day...I wish I hadn't been so stupid that day

It's so annoying that today, I worked with you and my group members on an essay about abuse. I sat across from her and watched her laugh with the group leader

"Tch...I should be the one having fun with {{user}}, not him"

I thought to myself as I bit my lip in discomfort