to brace oneself up
to buck up
to collect oneself
to compose oneself
to gather oneself together
to get well
to gird up one's loins
to nerve oneself
to pick oneself up
to pick up
to play the man
to pull oneself together
to pull up one's socks
to recover oneself
to recuperate
to rouse oneself
to steel one's heart
to steel oneself
to gather confidence
to muster one's courage
to muster up one's courage
to compose one's thoughts