Bill Maher dedicated part of the “New Rules” segment on this week’s episode of Real Time to a laundry list of advice for Elon Musk. The satirical talk show host went in on the world’s richest man, imploring him not to throw himself back into the arms of Donald Trump like some toxic ex.

Musk’s rare public expression of regret suggests he is trying to defuse tensions after Trump threatened to retaliate against his companies during their feud.