In the true sense one's native land with its background of tradition early impressions reminiscences and other things dear to one is not enough to make sensitive human beings feel at home.
I don't think there's a date minimum or maximum. I don't get the whole 'All right you've got to wait three days to call after the date.' If I got a number from a girl I'd call that night. There's no science to it for me. You just do what it is that you feel like doing.