Aaj Ka Vichaar: Trust is the string which keeps a husband & wife together

GuruJi Pawan Sinha on the special occassion of Karva Chauth tells a wonderful thought.
He says, "Trust is the string which keeps a husband and wife together."
Karva Chauth is a one-day festival celebrated by Hindu women four days after purnima in the month of Kartika. Dates differ according to gregorian calendar which is tabular and not based according to constellations.