But couples who meet through online dating services tend to exchange e-mail for weeks or months.
A couple of weeks traveling across the region would tend to confirm his suspicions.
Unhappily married couples tend to use a more destructive approach to conflict.
But in marriage a couple also tend to re-enact early relationships with parents who failed to give them enough love.
Or maybe it's just that couples in stable environments tend to get married.
Appreciating each other is something many couples tend to lose sight of.
Nevertheless, the couple tend to spend a lot because no one keeps an overall watch.
During the high season, April to October, younger couples, some with children, tend to visit as well.
They say that after a while, couples tend to look alike.