every man must eat a peck of dirt before he dies
1Oxford Dictionary of Proverbs, Thematic Index — absence absence makes the heart grow fonder he who is absent is always in the wrong the best of friends must part blue are the hills that are far away distance lends enchantment to the view out of sight, out of mind …
2Social behaviour in animals — Introduction actions of animals living in communities. Such behaviour may include the feeding of the young, the building of shelters, or the guarding of territory. General characteristics Social behaviour (Social behaviour in animals) …