Shallow hollow life gets to person eventually without fail, purposeless no direction no family warmth which is a must to feel that whole feeling it’s in built in nature even animals birds have pairs and give birth to new life, without that grounding all living beings feel aimless rudderless empty hollows, earlier in extended families men used to feel that warmth by proxy of siblings families children but now in nuclear alone on family around to give that men also go to pieces rootless and to think BaBa Nanak observed understood it 4 centuries back and wrote about it