What is the relationship between the two characters in the story? What is the point of contention between them?

The man
and the girl he calls Jig are lovers. It is possible that they are married. They have been
traveling around Europe together for a long time, judging from all the hotel labels on their
luggage. Jig has become pregnant, and the man has persuaded her to have an abortion in Madrid.
They are waiting at a transfer station for the express train to Spain's capital
city....