I am not able to vote. Anyways, I am also not sure if I overdo it. My baby sometimes go to the litter box and then looks at me like "Where is my treat?". They sure do know how to get treats!
Now I ration his daily food with the treats that I will give him so as not to overfeed. Sometimes I give him his food as treats and I think that is good also. At least I know how much he eats as compared to just feeding and feeding and feeding.