Lorenzo seems to be getting picky about his pellets. I normally feed him either fruity Zupreem pellets or another fruity pellet brand that I currently don't remember the name of. He decided he does not like the bigger sized pellets anymore and picks out the small ones. Essentially he's wasting half of his food. I've seen that some people feed a parakeet sized pellet to their tiels. Is that okay to do? I'm tired of buying pellets so much because he refuses to eat some of them.