self-imposed boundary
nounUK /ˌself ɪmˈpəʊzd ˈbaʊndri/
US /ˌself ɪmˈpoʊzd ˈbaʊndri/
A line you draw for yourself that you choose not to cross.
She set a self-imposed boundary of no phone after nine o'clock.
OTHER MEANINGS
2. A rule you make for yourself to stay safe or healthy.
His self-imposed boundary was to never skip breakfast.
3. A limit you set on your own time or energy.
I have a self-imposed boundary of two hours of screen time a day.
4. A personal line you decide not to cross in how you treat others.
Honesty is a self-imposed boundary she never breaks.
5. A choice to keep some things private by setting your own limits.
He made a self-imposed boundary about not sharing family photos online.