Collocations for self-control - noun

have
lack
lose
regain
keep
She struggled to keep her self-control.

exercise, practise/practice
You should try exercising a little self-control!

require, take
It took all the self-control he had not to lose his temper.

develop, learn

snap

a lack of self-control
a loss of self-control
powers of self-control (BrE)
a person exercising ordinary powers of self-control