If you stand up straight, you'll give an impression of self-confidence, even if you're quaking in your boots.

Online it is very easy to display an idealised version of the self to others so surely the temptation to exaggerate or even give a completely misleading impression is just too great?

I then looked back at my life, recalled some painful memories and realized that along the way I got the impression that if I expressed my true self no one would care for me.