[UCANSEE2]

That means prostitution is the world’s third oldest profession: Right behind Farmer and now Chef."

Nope, it's the oldest.

It's all a bit silly, isn't it ?

How could prostitution exist before the concept of 'marriage' came about, and before the concept of 'money' ?

The profession of organized religion (ministers, priests, etc) had to come before marriage, or there wouldn't be anyone to perform the ceremony.

[Lurker]

Here is how “me trade meat for poontang”. No “money” necessary.

[DannyTN]

"How could prostitution exist before the concept of 'marriage' came about, and before the concept of 'money' ?"

Where's there a will, there's a way.