Boyfriend sends defamatory text messages to leaders.

Retreat for progress, don't explain how he slandered, you know, the pure person is self-cleaning, and the turbid person is self-turbid. As the saying goes, explanation is cover-up, so no explanation is the best explanation. Let them chat casually, and it will be fine after a while, as long as he is not too tired! Then let him talk. Why explain what you didn't do? In fact, he just wants to provoke you! Ignore him!