long distance relation

Can any one tell me if long distance relationship work for you? and how did you keep it going? and how did it end up like? is it what you expected it to be? i just got to know it never work for me. well scared to go tru it. like what if his/her is not what you think he/she is. and how do you know when is the right time to move in together.and would you willing to move to where your other long distance half is. or would you ask them to move to where you at? can some one answer this one for me ppllllleeeaasseee.........