Will the long distance relationship work?

Do long distance relationships work?say if the girl is in uni away from the country and the guy is back home my guy friend only sees her once or twice a week and doesnt talk bout her a great deal and seems very lonely always wanting to hang round with girls. hes been engaged 2 this being the second time and people seem to think it wont work
Answer
Ldrs do not work. have tried this 3 times. too much time apart, and people go astray.