Just as all people break habits. One must make changes and stick to them. It’s simple, but not always easy to do.

Cold turkey

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Well you form habits after doing something for 6 weeks straight so if you stop doing something for that long it’ll no longer be a habit.

I have no idea

Do you WANT to break those habits? ?

Work your hardest at stopping doing them for 28 days. It's scientifically proven that it takes 28 days to break a habit

By forming new habits that counter the one you want to break

Aye let me get ya snap lol first old are ya ? idk what I broke my nail biting habit I put nasty tasting nail polish on my nails