A Motivating Factor
Growing up in an environment where non-church attendance isn't
an option, much of one's beliefs may be based upon other's faith
(wherein one either leans upon the faith of another or was not
considered mature enough to make those choices). Their daily
schedule is generally more structured, also.
Young adults are familiar with struggles of being finally 'on
their own', free to sleep whenever they feel like it (as long as
they make it to work). Suddenly, choices and consequences become
theirs.
They begin deciding what they believe, the life style they will
choose, the importance of regular church attendance, and many
more things. Likely, before they get it all figured out,
children come along.
Whether late night socials or babies stealing one's sleep, they
can often relate to the 'pitch it out the window' Sunday morning
alarm clock