If you aren't checking yourself then you may have a problem. For example you could have testicular cancer and you wouldn't know without feeling an unusual bump in that area.
Answer:
Other factors can affect requirements. 4. No allowance is given in requirement tables for stress, disease, parasites, temperature, feed additives, breed, genetic potential, etc. The nutrient requirements can be broken down into four principal components: Maintenance, Lactation, Growth, and Reproduction.
It can help you keep track of your fitness.
Answer:
seek help
alert someone
i'm not sure though that's just my guess
