Is Your Ego in Check? Why Humility Wins in Restaurants
A healthy ego tells you that you're talented and creative, but an inflated ego makes you think you're too good to wash dishes or accept constructive criticism.
I've Tried Explaining Something Very Simple to My Girlfriend in Bed. She Finds It "Insulting."
Your approach may be the biggest problem; using critical language can make constructive feedback feel like an attack, rather than a helpful suggestion.