harden (oneself) to (something)
To ready or prepare oneself, often emotionally, for a difficult or unpleasant experience. How can I, as a therapist, ever harden myself to the pain of others? We all need to harden ourselves to the seriousness of Aunt Louise's diagnosis. The sooner Bill hardens himself to the reality that his marriage is over, the better—for his sake.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.