I don't know why men seem to think that just because they have a date or two that goes well with a POF girl, that they are automatically going to close up shop and quit talking to other dudes.
New flash: It doesn't work like that.
I've met many who freely admitted (with no shame) to stacking dates, driving from one date to another, or even kept in touch with the new "friends" they made on POF while in their new relationship.
My rule of thumb is to go into any online date assuming the girl is already meeting/dating/fvcking different guys on a weekly basis, because the reality is, that she is. I've been doing online too damn long for anyone to convince me otherwise.
I had one LTR from pof; She didn't even own a computer, only had a profile up for a few days via the mobile app, no picture, found the site repulsive, was about to remove her profile, but apparently one of my pictures caught her attention so she decided to meet me. Those are lightning strike odds, but these are the girls you want to meet. In other words, grab'm before they get indoctrinated into the online dating culture.