Hostings
It means ...
Good luck,
generosity,
success,
and as mentioned earlier...
a strong sexual desire.
People with a long groove are less trusting and more suspicious while people with a short groove are more likely to be flattered.
Men generally have a longer philtrum, making them less susceptible to deception than women. If your wife has a short philtrum, you can compliment her as much as you like and she won't suspect you.