get (one's) head together
To organize one's thoughts, often with the aim of regaining one's calm. I really need to get my head together before I go into the board meeting. A: "Susie seemed really stressed this morning." B: "I think she's fine now—she went for a walk and got her head together."
get one's head together
to get one's thoughts or attitude properly organized. I've got to get my head together and get going. I need to take some time off and get my head together.
get one’s head together
verbSee get one’s act together