The phrase often exaggerates to stress someone's usual behavior, but they actually do other things too.

Exaggeration

It can express frustration or admiration, depending on the speaker's tone and the activity mentioned.

Emotional Tone

The phrase is casual, often used among friends or in informal settings, not in professional environments.

It gives a strong impression of someone's passion or obsession with an activity.

It may define a person's character trait based on the highlighted habit or activity.

Overuse of the phrase in a conversation can annoy or sound like nagging.