Simple Sentences:
* She has a habit of biting her nails.
* He broke his bad habit of smoking.
* Reading is a good habit to develop.
More Complex Sentences:
* Breaking a bad habit can be difficult, but it's worth the effort.
* His habit of procrastination was causing him stress.
* The habit of daily exercise improved her health and well-being.
Figurative Language:
* The old house had a habit of creaking at night. (personification)
* Her habit of wearing bright colours became her signature style. (metaphor)
You can use "habit" in many different ways, depending on the context and the meaning you want to convey.