Lose (one's) head American British informal
to become angry or excited, or to act foolishly in a crisis
Hayden: Jin, I'm really worried for Jim, he easily loses his head and shouts at people. Jin: I know that and we are going to see a psychologist this weekend.
Losing our heads out cannot make us more powerful in other people's eyes. This is just the evidence for our low self-control.
Lina: I think we cannot be friends anymore. Joyce: I'm sorry, I lost my head out there. There's no excuse for what I said.
Jason always tells us to be calm, but he is the one who easily to loses his head.
The verb "lose" should be conjugated according to its tense.