“Going to his new girlfriend’s profile page and ‘disliking’ all her photos.”

— Jenni

“Camping outside her apartment so you can watch her get home at 3 a.m. — with someone else.” — Brian

“Sending an e-mail to her parents.” — Patty

“Cutting off all your hair so you can have a ‘fresh start.’ ” — Jenni

“Writing a song, posting it to YouTube, sending them the link — and then crying when they don’t leave a comment.” — Marca