Bishop Peter J Elliott in this article goes onto say:
An elderly couple believed in euthanasia. They were prosperous and well-educated people. Suddenly, they put their opinion into practice. They took massive doses of sedatives and were discovered dead.
In a rational letter they explained how they had decided it was time to “move on”. Neither of them had a terminal condition.
After the initial shock and a sense of disbelief, the relatives, children and grandchildren, became very angry. Why did they do this? Why did they deprive kith and kin of years of love, friendship and support? Whatever they may have intended, that couple left behind a legacy of grief – and bitter resentment. Their action was perceived as essentially selfish.
Further reading ONLINE