I have no idea if any of the following applies in your friend's case, but there could be a number of factors influencing such decision: * family / friends /

I have no idea if any of the following applies in your friend's case, but there could be a number of factors influencing such decision: * family / friends / girlfriend * leaving his home country * having a nicer job * not being tempted by the challenge * not being tempted by the money * being scared of the big jump etc...