Penne tidbits and the only ones to come running are the three cockerels who haven’t started crowing yetThat particular concept of "not in front of you" etc al is (in my opinion) about as fragrant as @Ponypoor's Mount Poopmore.
He could start attempting to breed any day now. More than likely he'll get thumped by the lady. This will likely follow with a period of him treading lightly around said lady, being very skittish, and turning tail and running away from lady charging at him. (Twirp did this to Hector, I would have been baffled except I happened to witness the thumping).
Being as Cesario doesn't have an older rooster to model good behavior and apply additional thumping, he may require several such incidents while he figures out how to court the ladies. You can assist him in that by giving him the treats so he can call the ladies over. If he eats the treats himself, he hasn't figured it out yet. If he's twittering, chirping, picking it up and setting it down again, he's trying to call the girls for goodies. Once he starts doing that, he'll eat the treat if the ladies dont.

But he has been breeding whenever he gets a chance, and does a hit and run if all else fails. That’s when Mr P gives him a smack down.
You’re lucky he hasn’t been running wild with the ladies - trying to get in sneak attacks. Martina/Floyd has even started that now - what a silly boy!