Of course mourners still feel the pain of the loss, but Judaism recognizes that to a certain degree, the passage of time is able to ease and heal the pain. Being able to return to everyday life freely helps achieve this healing. The shiva was the worst period, the shloshim was very hard, and this stage is bad.
The average number of children per woman was 3.7 during the baby boom period, compared to about 1.7 in recent years. According to the 2011 Census, 9.6 million persons, or close to 3 Canadians out of 10 (29%), were baby boomers.
Now, with the first of them turning 60, baby boomers are about to do something utterly conventional and predictable. They're going to start getting old. In 1946, 3.4 million babies were born in the U.S., a jump of 22% from the previous year. The surge of births continued, year after year, until 1964.