Well there is some way to find out, click on my signature start playing little amount bets, if you can stop while you are ahead or loosing you are safe.
This is craziest advice I have ever heard

signs youve got a gambling problem
You cant stop
You gamble with money you cant afford to lose
Your bets go beyond entertainment
You attempt to recover losses by gambling more
You gamble with more and more money
If you have these characteristics then you're addicted.
Or better - search google for "gambling quiz".
Do quiz and be honest to yourself.
Results will show you something what you probably already know.