Well, the 'matching' might be correct at a certain point in time, but people do change. These kind of questions might nail how people feel and think and act now

Well, the 'matching' might be correct at a certain point in time, but people do change. These kind of questions might nail how people feel and think and act now, however what about the future? Relationships start and finish all the time because of the dynamic nature of people's personalities (even if the changes are small ones).