How to form strong arguments:
Use one or all of these methods:
Ethos: credibility and expertise.
Pathos: emotions and passion.
Logos: logical reasons and evidence.
Side note: you may use the previous ones as a jokey intro.
Humans shouldn't eat animal products. Read and color match.
1: Animals have feelings just like us, they feel pain and fear so we should let them live.
2: You need 15 liters of water for 1kg of beef which is bad for the environment.
3: My doctor supports vegan diets because of the antibiotics used in farming which are harmful to us.