‘Don’t take yourself so seriously’: what does this mean?


There are some statements and I’ve always had mental blocks to fully understanding them. 

Here is an example: ‘Don’t take yourself so seriously’: what does this mean? 
I don’t fully understand why I find it hard understand certain combinations of words.

Parents
  • I think it means you are reacting to something in a way they don't like. I've particularly noticed if people want to make fun of you or playfully insult you or make personal comments about your appearance or behaviour, if you don't like that then they hold you at fault and tell you to not take yourself so seriously.

Reply
  • I think it means you are reacting to something in a way they don't like. I've particularly noticed if people want to make fun of you or playfully insult you or make personal comments about your appearance or behaviour, if you don't like that then they hold you at fault and tell you to not take yourself so seriously.

Children