Why does more than half of marriages break up, and communication with children so often turns into hard work? Gary Chapman said that relationships often deteriorate due to the fact that people speak different languages . In Different Languages of Love[edit] This collection is a storehouse of practical information from the best books about love and mutual understanding in a close circle. It includes 11 sammari of the most valuable (known and fresh) books about human relationships - from Kerry Patterson and his "Hard Dialogues" to "Five Love Languages" by Gary Chapman and "The Secret Pillar" by Lyudmila Petranovskaya.