He left you for another girl, you had already told him that that girl was just a trick, but he didn't believe it, when that girl cheated on him, he wasn't sad because of that girl, he was sad because he left you, that much that she was crying every night, but he didn't want to tell you because he thought he didn't deserve you. When he came to work in the morning, everyone was saying goodbye to you and hugging you, and one of them said

I hope you have a good time there.