Depending how you build your mental fortress (or sanctuary, refuge, gymnasium) you will more or less suffer abuse from the negative opinions of others. If you build it well it will be impregnable. But that will take dedicated practice and dedication. It’s worth the effort.
For a free PDF copy of The Gymchiridion: Everything You Need To Master Your Life You Will Learn In The Gym go to: http://gymmanual.com
And if you prefer video: