5 Habits That Makes You Mentally Weak And What You Should About It. Habits are what shape our future. As such we need to be deliberate about the kind of habits we cultivate. According to Healthline, there are habits that we cultivate that make us weak mentally. In this article, we will discuss 5 habits that you mentally weak and how you should avoid them. 1. Having a Negative Mind Set One of the reasons why you feel mentally weak is that you think so. As such if you want to be strong mentally you need to change your mindset. Start thinking as though you are strong. Just like in the words of William Shakespeare said: "There is no right or wrong, but thinking makes it so". 2. Not Expressing Your Emotions Another habit that makes you weak mentally is not expressing yourself. Expressing yourself can be in terms of writing in a journal, talking to a loved one, or even talking to a psychologist. Studies show that talking to someone about how we feel can greatly improve our mental...