Most likely it is not a true addiction and is more characteristic of Obsessive Compulsive Disorder... A true addiction has a basis in some kind of physiological response.
Because they love the thing they are addicted to so much.
yes
They're Addicted. No Self-Control and the impulse to keep buying. But mostly they're addicted.
because they are addicted to eating they are ashamed of eating so much so they eat their feeling away
Depends on your body. Some people get addicted quite easily, but some don't. For example a pack of cigarettes will be enough for one person to become addicted, and for other months are needed to become addicted (like me :D ).
No, not all people become addicted to drugs. It depends on the type of drugs as well as the type of personality the person has, which makes some people more likely to become addicted than others.
Because of chemical reaction in the brain
Cocaine is extremely addictive; it is possible to use it once and not get addicted, but people who use it twice will almost certainly become addicts.
Addictive personalities play a significant part in how people become slaves to the fix.
Because they become addicted to gambling.
There will be a large cost in drugs and alcohol.
Alchohol Abuse or Addiction