1.   Although an attractive addition to a tank, it has a nasty habit of fighting with members of its own species.

2.   Appraisal schemes have a nasty habit of becoming complex and over sophisticated.

3.   Drivers often have a nasty habit of driving too close to cyclists.

4.   Life has a nasty habit of repeating itself.

5.   Yet unlikely figures often have a nasty habit of turning out to be true.

6.   She has a nasty habit of biting her fingernails.

7.   It is a simple enough message but one which has a nasty habit of being forgotten when companies decide to shed staff.

8.   Anyway, Harry has a nasty habit of populating his books with poorly disguised travesties of his many betrayed wives, relatives and friends.

9.   Baseball has started to view dipping as more of a health threat than just a nasty habit.