Why should not the dog eat sweets and what effect does eating the sweets have on his health?

eating sweets destroys a dog's nervous system as well as immune system. as most of these animals don't have the digestive juices nor mechanisms to properly digest sweet things, making these harmful. you shouldn't give an animal anything that they otherwise wont be getting in the wild. try replicating their natural diet by adding more meaty and bone stuff with some carbohydrates and fiber.

Can professional body building is possible without having supplements or steroids?

A simple, but absolutely factual answer is NO. Every competitive bodybuilder (BB)(whether amateur or pro) takes/uses steroids, and there is no denying in that. It is also very true that nearly all bodybuilders will deny taking any steroids ever, and swear

How to tell the difference between a narcissist and an emotional abuser

In this instance it doesn't matter Abuse is abuse don't allow toxic people in your life. It all boils down to what motivates the abuse though it's all about control. Narcissistic abuser use control to get and keep control of people that provide narcissistic supply.