The answer is metabolism.
Answer:
start mixing other things with the sunflower seeds. then, slowly start to feed him other things. or, you could feed him other things and (kind of) force him to eat other things. (yes, its cruel but they need to eat) but I would advise to try not to feed him so much of the same thing so much, its unhealthy for them.
Explanation:
Answer:
It is an influence that is always negative.
I'd say keeping the T cell count high because these are the cells that fight viral infections (HIV is one of them).
Answer:

Hope it helped,
Happy homework/ study/ exam!
Allow him to go around obstacles that are too difficult