Little things of joy

I am just traveling from kolhapur to nashik. Some feriwala got in the bus to sale some snacks at satara bus stop and what really made my day was "ज्याची बायको मुकी तोच खरा सुखी" this was written on his snack holder. Married people can you confirm if this statement is true or not. Also does that thing apply to girlfriends also. just curious and at the time I am at pune