make a habit of

make a habit of (doing something)

To follow a routine in which one does something habitually. I've made a habit of doing 50 pushups every morning when I get out of bed. If you make a habit of investing some of your spare income, you'll be pleasantly surprised how much can build up.
See also: habit, make, of
Farlex Dictionary of Idioms.

make a habit of something

to do something so often that it becomes a habit. You mustn't make a habit of interrupting. I make a habit of counting my change.
See also: habit, make, of
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • make a habit of (doing something)
  • make a habit/practice of something
  • make a practice of
  • make a practice of (doing something)
  • break (one's) habit
  • break a habit
  • break a/the habit
  • creature of habit
  • a creature of habit
  • go cold turkey