I thought we were on a break!!?

My boyfriend (let's call him Kenny) recently decided we should take some time off. He's going to Djibouti, Djibouti to take care of his estranged uncle's alpaca farm. (His uncle was recently diagnosed with Tourette's.) I thought he had left on the plane already! Turns out the flight was the next saturday. In the past few days I had met this really cute French guy (let's call him Pierre), and we were at Starbucks getting frozen mochalattes. He was just leaning in for a kiss when Kenny coincidentally walks in, sees us and becomes furious. He dumps my latte on Pierre's head, calls me a cheater, and rushes out. I called him and explained that I thought we were on a break, but he hung up, saying that he didn't believe me. Now Kenny is leaving for Djibouti and his heart is broken! Plus, Pierre isn't answering any of my texts! How do I heal Kenny's broken heart in three days and get my French boy back?