1.   Biting your nails is a bad habit.

2.   But that lone bad habit burns through your writing like a blowtorch, outshining all the others.

3.   Creating strong word use is merely a matter of amending bad writing habits.

4.   Ever since I was a teenager, I have had the bad habit of pulling and twisting my hair.

5.   His career has shown a steady improvement, and he has no bad habits that would inevitably lead to a falloff.

6.   I have a bad habit of taking on more responsibilities than I can handle.

7.   If you harp on about their bad habits too long, the kids will just stop listening.

8.   Like individuals, organizations fall into bad habits and ineffectual behaviors more or less by chance.

9.   Most likely, only one or two bad habits permeate your writing.

10.   She eventually became quite well educated, without forming any bad habits - in spite of herself!