Gendo is not mean. He is cold. To be a good Gendo, you'd have to excel at doing, well, nothing. Gendo is unreadable. Gendo is untouchable. He commands power with his stillness. Emotionally, however, it's not a very demanding role, other than a forced calm.
_you can't do anything, so don't even try _get some help _don't do what sonic does