ScienceDaily (Apr. 9, 2012) — Major life decisions such as marriage, divorce, abortion, having a child and attending university may be subconsciously influenced by how long people believe they will live, according to a Queen’s University study.
“Life expectancy might be driving all of these major decisions,” says Daniel Krupp, a post doctoral fellow in the Queen’s math department who has a background in psychology and biology.
The longer someone expects to live, the more time they will invest in education. If life expectancy is short, someone may decide to get married and have children sooner, or stick with the partner they are currently with rather than seek a divorce.
The Muslim Times 
And of course also the profession (will have an effect on the life expectancy).
I once read that the profession with the longest life in Switzerland is the Protestant Priest. It seems that he has a life with the least of stress. Fairly good salary, nice accommodation provided, and the mistakes he may make will be visible only in the next life…