Catch - up , that is . It 's such an interesting concept . I resent it in any academic context , but in a social way , it 's oddly ... satisfying . I caught up with a friend who is possibly the oldest true friend I have or had ?

Based on the preceding passage, answer the following question Why did they need to catch - up with thier friend ?
They had n't gotten to speak to thier oldest friend in a long time .