Most Helpful Girl
I think both situations are very common, but I'd think nowadays, giving up too soon might be predominant.
Modern times have taken away a bit from the "until death do us part" in marriage. If a relationship is dead, neither person really depends on the other one financially anymore, so it makes it more of a personal choice than one out of necessity.
Staying in a relationship too long often happens when there are children involved. Not realizing that you are not doing them any favors by raising them in a bad relationship.0