How Long, Oh How Long?

It was raining when I drove to work this morning. In the car there was some heavy-voiced woman (not Cyndy Lauper) singing 'Time After Time". When the song almost reached to the end, she beautifully improvised: "How long oh how long? Time after time..." (repeated till the song faded)

Yes, how long oh how long do I have to wait for the traffic jam?
How long oh how long do I have to go through the same shit every day?

At a greater point, I've always asked these questions myself:

How long oh how long does it take to fall in love?
How long oh how long does it take to break?
How long oh how long does it take to get over somebody?
How long oh how long does it take to fall in love again?