I disagree with cube on this account.
In environment of societal collapse you will see rather more, not less sex. You will also see much more STD, though.
One of driving forces will be women joining prostitution trade, just to make ends meet.
That is because most of women jobs at the moment are a kind of "value added" activities, which society really can live without.
Think about paper shuffling in offices of all sort, reception lady jobs, all those jobs requiring "high interpersonal skills" etc.
These jobs are first to go and ladies who are doing them now are simply not fit and usually not willing to engage in physically exhausting activities.
So sorry, cube, but I think that one of first outcomes of societal collapse will be a plenty of hookers everywhere.
If you have a young daughter, then bad luck.
