Tesla CEO Elon Musk and President Donald Trump appear to be in the kind of chaotic relationship that social media lives to warn you about. First the two seemed to be enjoying a business alliance-turned-bromance when Musk was invited to become a special government employee in January and spearhead the Department of Government Efficiency (DOGE).

Trump and Musk are engaging in public fights on social media. Here’s a timeline of the highs and lows of Musk and Trump’s bromance.