Although it's changing, our society still has a long way to go in increasing mental health awareness and reducing stigma. Because of this, many people fail to admit or even realize that they have a problem. And certain habits or behavioral patterns that may be symptomatic of an underlying emotional or psychological issue are widely-accepted as "normal." Someone asked therapists of Reddit: "what are things people do thinking it's normal but really, are indicators of a more serious issue?"
1.) From ohboy_321:
The most common one I deal with is people quieting their thoughts/feelings in relationships. It actually leads to serious issues down the road and if you do it long enough you become a really resentful, angry person.
2.) From spafticus: