because the whole thing is a scam.Do not trust them! I did, and got scammed.
Pros
zero
Cons
scam
I went to the trouble of registering, and spent a day searching through the profiles hoping to find at least one who was honestly interested in me.
They immediately deleted my profile, although they said a member can send unlimited messages.
A complete waste of time
Pros
NONE
Cons
Just an evil lie