Answer:

feel that it implies with reference to the longiveity of the person being wished.

In India PLENTY of SIMILAR wishes are being practiced.

Common wishes are:

Let you live for 100 years

Dhirgaysu ( Let you be blessed with 100 healthy years)

Poornausu ( Let you be blessed with your full life . Not to die as Alpausu- not to live an incomplete life

The belief under Hindu KARMA theory is that each is born to discharge their Karmic dues. Hence above such wishes and blessings are to make the person to get his Karmic duties completed.

Coming back to many many happy RETURNS of the day implies

Such days should be filled with happiness

Such days should confer fitness of Health.

Younger one loves to see such person Hale and hearty.

Elders blesses him to discharge the Karmic duties with Grace and smile ( not unwillingly)

It is a GOOD practice . It should be followed by the following sentence:

By youngsters and younger to the person

Please bless me/us

We seek your blessings on this day

Many elders do add

Live without any sickness

Meri Umar bhi aapko hogha ( Let my extra life be for you so that you can complete your karmic obligation and seek Almighty for liberation of soul)

Blessings and best wishes

PS

Many value driven practices are causually practiced

There is protocol for this.

But it is so informally practiced

Neither the receiver nor the communicator completes the energy transfer need to be done during such wishes.

Stay blessed

Step-by-step explanation:

Kashuuu~