What is meant by the phrase “breaking a habit”?
to perform a behavior more frequently than normal
to give less priority to a repeated behavior
to understand why you exhibit a particular behavior
to stop doing a particular behavior for good

The correct answer is the fourth option.

To break a habit means to stops doing a particular behavior for good. A habit is something that you do repeatedly or often, some are harmless such as cracking your knuckles whereas some can be harmful to you such as smoking. If you break a habit you put an end to it, you make a conscious decision and effort not to do it anymore.

lifetime activities are certain actions that are either required throughout your life or you choose to do them. for example, eating is considered a lifetime activity, drinking water or other beverages, keeping your body clean, taking medicine. those types of actions are considered lifetime activities.