If he was just a grandfather and if his second son had already passed away for so many years, he would not want to force Charlie either if he found out about his whereabouts after much difficulty.
It might not be a bad choice for him to let Charlie happily live the life that he wanted.
That would not only be a good thing for Charlie himself, but it would also be a good thing for his parents. After all, it would be very gratifying for his parents in heaven.
However, he also understood and wa