In a controversy the instant we feel anger we have already ceased striving for the truth, and have begun striving for ourselves. This is a helpful pointer for our everyday presence-practice. Can you catch yourself angrily defending your point of view or attacking the other person's? There's the ego.
If the selflessness of phenomena is analyzed and if this analysis is cultivated, it causes the effect of attaining nirvana. through no other cause does one come to peace.
Please, try to eat a bit less meat, a bit more veggies from today. Let it become a habit gradually until not to eat meat anymore. Then, observe the changing of the body and spirit after eating veggies, fruits and grains.