Negative reinforceme: You may want to try "negative reinforcement" which is essentially a punishment every time you do it. You can put on a nail polish or something else that tastes bad. Then every time you bite your nails, you experience a bad taste. This may help you stop.
Answered 2/24/2018
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2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
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