Horses only eat grass because it’s convenient, they regularly eat baby chicks, injured birds, lizards and eggs they find lying around. (The video of the horse casually hoovering up a line of chicks as the mama hen walked them across the paddock haunts me still…)
You sound like the person that had a meltdown at her office when finding out a coworker was gay because she couldn’t stop thinking vividly about all the sinful gay sex they must be having with their partner.
Your lack of knowledge should be a reason for you to shut up.