Writing is a solitary occupation. Working a full or part time job keeps you connected to the world around you, which for a writer is (or should be) reasearch.
If you write romance novels, there are many benefits to socializing with your co-workers. Editors are always on the look out for unique occupations for heriones/heros. Inquire what your office mates spouse does for a living. I like to ask people how they met their spouse or signifigant other after all my hero and herione MUST meet or I have no romance story.
Some of your co-workers probably have children or grandchildren at various ages. Listen to what parent say about their children. What activities the child is involved in at school, outside of school. That could be the subject of a non-fiction article or part of the plot line in a middle grade reader. Trends in the younger generation move fast. T-ball and soccer were unheard of extra curricular activies forty years ago when I was child. My son's generation loved arcades but with the ease of obtaining gaming systems at home some of that focus has changed.
It's hard to write for the world around you if you aren't out experiencing it for yourself!