Knowing
A father who demands that his teenage daughter drive under the speed limit is making a rule he cannot enforce. He may never know if his daughter is speeding unless he sees her, she is stopped by police, or is in an accident.
Limits are not the same as values. You may hope your teenage daughter always drives under the speed limit. Values set as limits, though, will typically be ineffective.
To make this limit more enforceable, the father could tell her that if she is in an accident that is her fault or is given a speeding ticket, she will lose her driving privileges. She will also have to pay ticket costs or the repair bill herself.
❦ Ensure your limits are enforceable
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