In fact, this situation is the most common in our China, especially the kind of children who were raised by grandparents. Although grandparents pour a lot of love on the child, but the separation is also something inevitable, you can not say that you can not let the child grow and learn.
So, the child is gone, the old man has a momentary loss which is unavoidable, this time we need to do children, more to the elderly some companionship, to divert their attention, so that they do not excessively miss the child, in fact, they can not leave the child just feel that the child has left, they are too lonely only. Therefore, the company is very important at this time, they feel that they are no longer lonely, will not miss the child too much.
And the child is in kindergarten, but there are also rest time ah, parents can be in the rest of the time to send the child to the old man, let the old man and the child to make out, in order to solve the pain of longing.
Anyways, this situation, you deal with the good is all happy, deal with the bad may produce misunderstanding, the most important or more filial piety it, but also mutual understanding, give the elderly more care and companionship.