While the term has several meanings, the most frequent usage refers to two people exploring whether they are romantically or sexually compatible by participating in dates with the other.
With the use of modern technology, people can date via telephone or computer or meet in person.
Humans have been compared to other species in terms of sexual behavior.
Then when you get home and you're deciding whether to be direct or whether to carry on the conversational foreplay to build the tension a bit more.
It's even more the case if you've been in a relationship with someone for years - relationships get boring.
How excited can you be about sleeping with the same person for the 1000th time?
There's no denying it: it's fun sleeping with someone you barely know.
I know, I know, there's a load of people that would frown upon such a statement, but we all know it's true.